MN: 651-451-1205  or  FL: 352-323-4809

Fields with an * are required.













Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
38 Revisions or additions to 2100 TSO float 2100 TSO floats  21001-21030    10/13/1997 
40 Install Model 2100 float - PA-18 Piper PA-18 with 2100 floats  N/A    11/4/1997 
49 Placard-Floatplane Airspeed Limitations PA-18 Floatplane  Float S/N 276 & Down, with 2000 lb Gross Wt Kit    9/4/2001 
51 Modification-Foam filled float Boosters 2100 & 2350 Floats  2100 & 2350 Floats  7/13/2005 
67 Model 2100 and 2350 weight revision. Model 2100 and 2350 floats      8/30/2004 
73 Aviat A-1 operation at A-1A Gross Weight through Aviat Service Bulletin 13 Aviat Husky A-1 on 2100 floats      3/1/2005 
75 Model 2100 and 2350 weight correction Model 2100 and 2350 floats    6/27/2005 
77 Updates for the Husky Long Flap Installation Husky A-1B with 110" Flaps and 2100 Floats  A/C S/N's: 2285, 2288, 2289, 2291 & Up  1/27/2006 
85 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6000, 8000 Floats  All    6/30/2006 
87 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Amphib and Seaplane Floats      8/30/2006 
88 Cessna 172 Heavier Drag Wire Brace Cessna 172,172XP - 2100, 2350 Floats      9/5/2006 
131 Husky Model A-1B/A-1C 2250 Lb Increased Gross Weight Wipline 2100 Floats for Husky A-1B, A-1C-180, A-1C-200    IR  6/29/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
33 Stiffened float boosters 2100/2350    4/22/2002  51
56 Updates for the Husky Long Flap Installation 2100  1/27/2007  77
62 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6100, 8000  8/31/2011  85
64 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Floats    8/30/2006  87
65 Cessna 172 Heavier FWD Drag Wire Brace Cessna 172, 172XP - 2100, 2350 Floats    9/5/2006  88

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
38 Revisions or additions to 2100 TSO float 2100 TSO floats  21001-21030    10/13/1997 
40 Install Model 2100 float - PA-18 Piper PA-18 with 2100 floats  N/A    11/4/1997 
41 Install nose wheel plunger 2100/2350 floats  21001,02,07,08,11-14,17-20,25,26, 31,32,35-52,55-68,71-88
23003,04,09-12 
  7/27/1998 
48 Addition of Hydraulic Accumulator Wipline 2100, 2350, 3000 and 3450 series amphibious floats    3/15/2006 
49 Placard-Floatplane Airspeed Limitations PA-18 Floatplane  Float S/N 276 & Down, with 2000 lb Gross Wt Kit    9/4/2001 
51 Modification-Foam filled float Boosters 2100 & 2350 Floats  2100 & 2350 Floats  7/13/2005 
52 Modification - Main Landing Gear 2100 & 2350 Floats  2100 Floats S/N 21232 and lower, 2350 Floats S/N 21032 and lower    4/25/2002 
55 Main Landing Gear Shock Strut Replacement 2100A, 2350A Floats  2100A S/N's 21327A, 21328A, Updated, 21344A & DN, 2350A S/N 23046A & DN    2/18/2003 
57 Axle - Nose Gear Trolley - Replacement 2100A, 2350A, 3000A, 3450A  2100A S/N's:21412 & DN    10/1/2003 
62 NOSE WHEEL SHIMMY WIPLINE 2100/2350 SERIES AMPHIBIOUS FLOATS  All    9/15/2003 
66 Nose wheel shimmy Wipline 2100, 2350, 3000 and 3450 series amphibious floats      9/9/2004 
67 Model 2100 and 2350 weight revision. Model 2100 and 2350 floats      8/30/2004 
69 Replacement of main gear drag link bearings 2100/2350, 3000/3450  2100A: S/N 21001 thru ----- 2350A: S/N 23001 thru -----3000A: S/N 30001 thru -----3450A: S/N 34001 thru -----  7/20/2005 
73 Aviat A-1 operation at A-1A Gross Weight through Aviat Service Bulletin 13 Aviat Husky A-1 on 2100 floats      3/1/2005 
75 Model 2100 and 2350 weight correction Model 2100 and 2350 floats    6/27/2005 
77 Updates for the Husky Long Flap Installation Husky A-1B with 110" Flaps and 2100 Floats  A/C S/N's: 2285, 2288, 2289, 2291 & Up  1/27/2006 
85 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6000, 8000 Floats  All    6/30/2006 
87 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Amphib and Seaplane Floats      8/30/2006 
88 Cessna 172 Heavier Drag Wire Brace Cessna 172,172XP - 2100, 2350 Floats      9/5/2006 
97 Nose and Main Gear Actuator Replacement 2100,2350,3000,3450 Amphibious Floats    2/7/2014 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
112 Optional Hydraulic Power-Pack Timer Relay Installation 2100, 2350, 3000, and 3450 Amphibian Floats    4/9/2014 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
131 Husky Model A-1B/A-1C 2250 Lb Increased Gross Weight Wipline 2100 Floats for Husky A-1B, A-1C-180, A-1C-200    IR  6/29/2012 
139 Main Landing Gear (MLG) Threaded Coupler 2100, 2350    3/15/2013 
143 Main Landing Gear Proximity Switch 2100A, 2350A  2100A - SN 21862A and below, 2350A - SN 23150A and below.  7/30/2014 
151 Replacement Grove Wheel 2100A, 2350A, 3000A, 3450A    9/2/2013 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
23 Nose wheel pivot block plunger 2100/2350    7/27/1998  41
32 Hydraulic system accumulator hose 2100/2350/ 3000/3450  3/15/2006  48
33 Stiffened float boosters 2100/2350    4/22/2002  51
34 Landing gear mod 2100/2350    3/10/2004  52
41 Shock strut retainer pin installation 2100/2350    2/18/2003  55
43 Nose gear pivot block shim 2100/2350    9/15/2003  62
48 Nose gear friction device 2100/2350 /3000/3450  3/15/2006  66
56 Updates for the Husky Long Flap Installation 2100  1/27/2007  77
62 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6100, 8000  8/31/2011  85
64 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Floats    8/30/2006  87
65 Cessna 172 Heavier FWD Drag Wire Brace Cessna 172, 172XP - 2100, 2350 Floats    9/5/2006  88
80 Optional Hydraulic Power-Pack Timer Relay Installation 2100, 2350, 3000, 3450 Amphibian Floats  1/15/2011  112

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
51 Modification-Foam filled float Boosters 2100 & 2350 Floats  2100 & 2350 Floats  7/13/2005 
67 Model 2100 and 2350 weight revision. Model 2100 and 2350 floats      8/30/2004 
75 Model 2100 and 2350 weight correction Model 2100 and 2350 floats    6/27/2005 
85 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6000, 8000 Floats  All    6/30/2006 
87 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Amphib and Seaplane Floats      8/30/2006 
88 Cessna 172 Heavier Drag Wire Brace Cessna 172,172XP - 2100, 2350 Floats      9/5/2006 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
33 Stiffened float boosters 2100/2350    4/22/2002  51
62 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6100, 8000  8/31/2011  85
64 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Floats    8/30/2006  87
65 Cessna 172 Heavier FWD Drag Wire Brace Cessna 172, 172XP - 2100, 2350 Floats    9/5/2006  88

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
41 Install nose wheel plunger 2100/2350 floats  21001,02,07,08,11-14,17-20,25,26, 31,32,35-52,55-68,71-88
23003,04,09-12 
  7/27/1998 
48 Addition of Hydraulic Accumulator Wipline 2100, 2350, 3000 and 3450 series amphibious floats    3/15/2006 
51 Modification-Foam filled float Boosters 2100 & 2350 Floats  2100 & 2350 Floats  7/13/2005 
52 Modification - Main Landing Gear 2100 & 2350 Floats  2100 Floats S/N 21232 and lower, 2350 Floats S/N 21032 and lower    4/25/2002 
55 Main Landing Gear Shock Strut Replacement 2100A, 2350A Floats  2100A S/N's 21327A, 21328A, Updated, 21344A & DN, 2350A S/N 23046A & DN    2/18/2003 
57 Axle - Nose Gear Trolley - Replacement 2100A, 2350A, 3000A, 3450A  2100A S/N's:21412 & DN    10/1/2003 
62 NOSE WHEEL SHIMMY WIPLINE 2100/2350 SERIES AMPHIBIOUS FLOATS  All    9/15/2003 
66 Nose wheel shimmy Wipline 2100, 2350, 3000 and 3450 series amphibious floats      9/9/2004 
67 Model 2100 and 2350 weight revision. Model 2100 and 2350 floats      8/30/2004 
69 Replacement of main gear drag link bearings 2100/2350, 3000/3450  2100A: S/N 21001 thru ----- 2350A: S/N 23001 thru -----3000A: S/N 30001 thru -----3450A: S/N 34001 thru -----  7/20/2005 
75 Model 2100 and 2350 weight correction Model 2100 and 2350 floats    6/27/2005 
85 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6000, 8000 Floats  All    6/30/2006 
87 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Amphib and Seaplane Floats      8/30/2006 
88 Cessna 172 Heavier Drag Wire Brace Cessna 172,172XP - 2100, 2350 Floats      9/5/2006 
97 Nose and Main Gear Actuator Replacement 2100,2350,3000,3450 Amphibious Floats    2/7/2014 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
112 Optional Hydraulic Power-Pack Timer Relay Installation 2100, 2350, 3000, and 3450 Amphibian Floats    4/9/2014 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
139 Main Landing Gear (MLG) Threaded Coupler 2100, 2350    3/15/2013 
143 Main Landing Gear Proximity Switch 2100A, 2350A  2100A - SN 21862A and below, 2350A - SN 23150A and below.  7/30/2014 
151 Replacement Grove Wheel 2100A, 2350A, 3000A, 3450A    9/2/2013 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
23 Nose wheel pivot block plunger 2100/2350    7/27/1998  41
32 Hydraulic system accumulator hose 2100/2350/ 3000/3450  3/15/2006  48
33 Stiffened float boosters 2100/2350    4/22/2002  51
34 Landing gear mod 2100/2350    3/10/2004  52
41 Shock strut retainer pin installation 2100/2350    2/18/2003  55
43 Nose gear pivot block shim 2100/2350    9/15/2003  62
48 Nose gear friction device 2100/2350 /3000/3450  3/15/2006  66
62 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6100, 8000  8/31/2011  85
64 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Floats    8/30/2006  87
65 Cessna 172 Heavier FWD Drag Wire Brace Cessna 172, 172XP - 2100, 2350 Floats    9/5/2006  88
80 Optional Hydraulic Power-Pack Timer Relay Installation 2100, 2350, 3000, 3450 Amphibian Floats  1/15/2011  112

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
65 #7 Bulkhead 3000 - 3450  All model 3000 S/N 30133 and up. All model 3450 S/N 34159 and up.    2/3/2005 
68 Model 3000 and 3450 weight correction. Model 3000 and 3450 floats      8/23/2004 
85 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6000, 8000 Floats  All    6/30/2006 
87 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Amphib and Seaplane Floats      8/30/2006 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
47 Bulkhead inspection & repair 3000/3450  8/3/2005  65
62 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6100, 8000  8/31/2011  85
64 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Floats    8/30/2006  87
66 Installation of Revised Main Strut Geometry Cessna 180/185 - 3000 Floats  5/2/2007 

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
43 New Wheel and Brake Assembly 3000, 3450, 6000, 8000 Floats  N/A    6/1/2000 
46 Modification - Main Landing Gear 3000 Floats  30001 - 30046    9/20/2000 
48 Addition of Hydraulic Accumulator Wipline 2100, 2350, 3000 and 3450 series amphibious floats    3/15/2006 
56 Main Landing Gear Shock Strut Replacement 3000A, 3450A Floats  3000A S/N 30094A & DN, 3450A S/N 34084 & DN    11/13/2002 
57 Axle - Nose Gear Trolley - Replacement 2100A, 2350A, 3000A, 3450A  2100A S/N's:21412 & DN    10/1/2003 
61 Main Gear Roller Inspection / Torque Arm Replacement 3000, 3450 A Floats  30001A to 30082A, 34001A to 34066A, 30001A to 30118A, 34001A to 34128A    8/28/2003 
65 #7 Bulkhead 3000 - 3450  All model 3000 S/N 30133 and up. All model 3450 S/N 34159 and up.    2/3/2005 
66 Nose wheel shimmy Wipline 2100, 2350, 3000 and 3450 series amphibious floats      9/9/2004 
68 Model 3000 and 3450 weight correction. Model 3000 and 3450 floats      8/23/2004 
69 Replacement of main gear drag link bearings 2100/2350, 3000/3450  2100A: S/N 21001 thru ----- 2350A: S/N 23001 thru -----3000A: S/N 30001 thru -----3450A: S/N 34001 thru -----  7/20/2005 
85 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6000, 8000 Floats  All    6/30/2006 
87 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Amphib and Seaplane Floats      8/30/2006 
97 Nose and Main Gear Actuator Replacement 2100,2350,3000,3450 Amphibious Floats    2/7/2014 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
112 Optional Hydraulic Power-Pack Timer Relay Installation 2100, 2350, 3000, and 3450 Amphibian Floats    4/9/2014 
114 Grease seal vent hole addition for main landing gear bearings Amphibious float models 3000A, 3450A, 6000A, and 8000A    2/21/2011 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
136 3000/3450 Nose Box - Finger Tab Installation 3000 Amphibian and 3450 Amphibian    7/8/2013 
140 Main Landing Gear (MLG) Threaded Coupler 3000, 3450    3/15/2013 
148 3000/3450 Gear Snubber Addition and Actuator Part Modification 3000A, 3450A    9/10/2013 
151 Replacement Grove Wheel 2100A, 2350A, 3000A, 3450A    9/2/2013 
153 Float Pump Out Tube Inspection All    10/24/2013 
161 3450 Snubber Mount Repair 3000A, 3450A    06/15/2015 
174 3000A/3450A Main Landing Gear Shaft Replacement 3000A, 3450A, Cessna 180 (through K model), 185 through E model), A185E, A185F, 182 (P through T model), 206H, T206H, T/U206 (through G model) Maule M6-235, M7-235, M7-260, M7-420, MT7- 235, MT7-260, MT7-420, MX7-235    12/19/2016 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
26 Replacement of McCauley Wheels/break 3000/3450    6/1/2000  43
29 Landing gear mod 3000/3450    9/20/2000  45
32 Hydraulic system accumulator hose 2100/2350/ 3000/3450  3/15/2006  48
38 Shock strut retainer pin installation 3000/3450    11/13/2002  56
39 Shock strut retainer pin installation 3000/3450    11/13/2002  56
42 Main gear mods 3000/3450    6/20/2007  61
47 Bulkhead inspection & repair 3000/3450  8/3/2005  65
48 Nose gear friction device 2100/2350 /3000/3450  3/15/2006  66
62 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6100, 8000  8/31/2011  85
64 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Floats    8/30/2006  87
66 Installation of Revised Main Strut Geometry Cessna 180/185 - 3000 Floats  5/2/2007 
80 Optional Hydraulic Power-Pack Timer Relay Installation 2100, 2350, 3000, 3450 Amphibian Floats  1/15/2011  112

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
50 Inspection of aircraft skin rivet head interference, on float cross wire pulls. C206  All model Cessna 206 aircraft on Wipline Model 4000 and 3450 floats.    11/6/2000 
65 #7 Bulkhead 3000 - 3450  All model 3000 S/N 30133 and up. All model 3450 S/N 34159 and up.    2/3/2005 
68 Model 3000 and 3450 weight correction. Model 3000 and 3450 floats      8/23/2004 
85 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6000, 8000 Floats  All    6/30/2006 
86 Cessna 206H Drain Hole Grommets All 206 STC Applicable Float Sizes  Cessna 206H (other models optional only)    7/20/2006 
87 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Amphib and Seaplane Floats      8/30/2006 
100 Retrofit step-struts for a grease hole 3450, 8000, 9000 13000 Amphib. and Seaplane floats    6/25/2008 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
47 Bulkhead inspection & repair 3000/3450  8/3/2005  65
62 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6100, 8000  8/31/2011  85
63 Water Rudder reinforcement 3450 Floats    7/20/2006 
64 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Floats    8/30/2006  87

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
43 New Wheel and Brake Assembly 3000, 3450, 6000, 8000 Floats  N/A    6/1/2000 
45 Modification - Main Landing Gear 3450 Floats  34001 - 34032    9/20/2000 
48 Addition of Hydraulic Accumulator Wipline 2100, 2350, 3000 and 3450 series amphibious floats    3/15/2006 
50 Inspection of aircraft skin rivet head interference, on float cross wire pulls. C206  All model Cessna 206 aircraft on Wipline Model 4000 and 3450 floats.    11/6/2000 
56 Main Landing Gear Shock Strut Replacement 3000A, 3450A Floats  3000A S/N 30094A & DN, 3450A S/N 34084 & DN    11/13/2002 
57 Axle - Nose Gear Trolley - Replacement 2100A, 2350A, 3000A, 3450A  2100A S/N's:21412 & DN    10/1/2003 
61 Main Gear Roller Inspection / Torque Arm Replacement 3000, 3450 A Floats  30001A to 30082A, 34001A to 34066A, 30001A to 30118A, 34001A to 34128A    8/28/2003 
65 #7 Bulkhead 3000 - 3450  All model 3000 S/N 30133 and up. All model 3450 S/N 34159 and up.    2/3/2005 
66 Nose wheel shimmy Wipline 2100, 2350, 3000 and 3450 series amphibious floats      9/9/2004 
68 Model 3000 and 3450 weight correction. Model 3000 and 3450 floats      8/23/2004 
69 Replacement of main gear drag link bearings 2100/2350, 3000/3450  2100A: S/N 21001 thru ----- 2350A: S/N 23001 thru -----3000A: S/N 30001 thru -----3450A: S/N 34001 thru -----  7/20/2005 
85 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6000, 8000 Floats  All    6/30/2006 
86 Cessna 206H Drain Hole Grommets All 206 STC Applicable Float Sizes  Cessna 206H (other models optional only)    7/20/2006 
87 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Amphib and Seaplane Floats      8/30/2006 
97 Nose and Main Gear Actuator Replacement 2100,2350,3000,3450 Amphibious Floats    2/7/2014 
100 Retrofit step-struts for a grease hole 3450, 8000, 9000 13000 Amphib. and Seaplane floats    6/25/2008 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
112 Optional Hydraulic Power-Pack Timer Relay Installation 2100, 2350, 3000, and 3450 Amphibian Floats    4/9/2014 
114 Grease seal vent hole addition for main landing gear bearings Amphibious float models 3000A, 3450A, 6000A, and 8000A    2/21/2011 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
136 3000/3450 Nose Box - Finger Tab Installation 3000 Amphibian and 3450 Amphibian    7/8/2013 
140 Main Landing Gear (MLG) Threaded Coupler 3000, 3450    3/15/2013 
148 3000/3450 Gear Snubber Addition and Actuator Part Modification 3000A, 3450A    9/10/2013 
151 Replacement Grove Wheel 2100A, 2350A, 3000A, 3450A    9/2/2013 
153 Float Pump Out Tube Inspection All    10/24/2013 
161 3450 Snubber Mount Repair 3000A, 3450A    06/15/2015 
174 3000A/3450A Main Landing Gear Shaft Replacement 3000A, 3450A, Cessna 180 (through K model), 185 through E model), A185E, A185F, 182 (P through T model), 206H, T206H, T/U206 (through G model) Maule M6-235, M7-235, M7-260, M7-420, MT7- 235, MT7-260, MT7-420, MX7-235    12/19/2016 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
26 Replacement of McCauley Wheels/break 3000/3450    6/1/2000  43
29 Landing gear mod 3000/3450    9/20/2000  45
32 Hydraulic system accumulator hose 2100/2350/ 3000/3450  3/15/2006  48
38 Shock strut retainer pin installation 3000/3450    11/13/2002  56
39 Shock strut retainer pin installation 3000/3450    11/13/2002  56
42 Main gear mods 3000/3450    6/20/2007  61
47 Bulkhead inspection & repair 3000/3450  8/3/2005  65
48 Nose gear friction device 2100/2350 /3000/3450  3/15/2006  66
62 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6100, 8000  8/31/2011  85
63 Water Rudder reinforcement 3450 Floats    7/20/2006 
64 Inspection Cover Upgrade All 2100, 2350, 3000, 3450 Floats    8/30/2006  87
80 Optional Hydraulic Power-Pack Timer Relay Installation 2100, 2350, 3000, 3450 Amphibian Floats  1/15/2011  112

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
3 Stainless break disc C-185 STC SA7GL or SA805CE / C-206 STC SA18GL or STC SA666CE    5/12/1983 

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
86 Cessna 206H Drain Hole Grommets All 206 STC Applicable Float Sizes  Cessna 206H (other models optional only)    7/20/2006 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
4 Hyd. system pressure relief valve 3730, C185, C206, 6000A - Beaver MKI, MKIII  0-37614, 0-60030     
9 Installation of diode for protection of hyd. pressure switch 3730 - C185, C206, 6000A - Beaver MKI, MKIII  37636 & down 60050 & down     
10 Install placard, "Flammable Liquids Prohibited" 3730, C206, 6000A - Beaver MKI, MKIII  37636 & down, 60050 & down     
11 Installation of new electric hyd. pump motor 3730 - C185, C206, 6000A - Beaver MKI, MKIII, 8000A - Caravan  37652 & down, 60078 & down, 80006 & down    6/9/1987 
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
26 Retract cylinder-main gear-3730 3730A - C185, C206    9/16/2016 
39 Conversion of 3730 float to 3800 float Cessna 185, 206  N/A    10/23/1997 
60 Installation of Pressure Switch Diode 3730 A Floats  All    6/16/2003 
86 Cessna 206H Drain Hole Grommets All 206 STC Applicable Float Sizes  Cessna 206H (other models optional only)    7/20/2006 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
3 Stainless break disc C-185 STC SA7GL or SA805CE / C-206 STC SA18GL or STC SA666CE    5/12/1983 
4 Hydraulic pressure relief valve 3730/6000    10/1/1984  4
7 Pressure switch diode 3730/6000      9
8 Baggage compartment placard 3730/6000      10
9 New electric hydraulic pump 3730/6000/8000      11

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
39 Conversion of 3730 float to 3800 float Cessna 185, 206  N/A    10/23/1997 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
3 Stainless break disc C-185 STC SA7GL or SA805CE / C-206 STC SA18GL or STC SA666CE    5/12/1983 

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
3 Stainless break disc C-185 STC SA7GL or SA805CE / C-206 STC SA18GL or STC SA666CE    5/12/1983 

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
21 Installation of AN hardware 4000's on C206 a/c STC SA1483GL  40003-40026     
25 Reinforcement of Model 4000 float hull bulkheads C206 or C185 with 4000 floats  40001-40016, 40019-40022, 40025-40054, 40057-40060, 40074-75    5/1/1992 
27 Reinforcement of glareshield and V-brace 4000 - C206  All    7/21/1992 
29 Install tinnermans - access covers 4000,6000,8000 floats  All    3/23/1993 
50 Inspection of aircraft skin rivet head interference, on float cross wire pulls. C206  All model Cessna 206 aircraft on Wipline Model 4000 and 3450 floats.    11/6/2000 
86 Cessna 206H Drain Hole Grommets All 206 STC Applicable Float Sizes  Cessna 206H (other models optional only)    7/20/2006 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
10 Bulkhead reinforcement 4000    12/22/1992  25
11 Glareshield reinforcement & V-brace 4000 (C-206)  4/6/2011  27

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
21 Installation of AN hardware 4000's on C206 a/c STC SA1483GL  40003-40026     
25 Reinforcement of Model 4000 float hull bulkheads C206 or C185 with 4000 floats  40001-40016, 40019-40022, 40025-40054, 40057-40060, 40074-75    5/1/1992 
27 Reinforcement of glareshield and V-brace 4000 - C206  All    7/21/1992 
28 Nose and main gear ram update 4000, 6000, 8000  40072A & down, 60210A & down, 80048A & down    10/10/1992 
29 Install tinnermans - access covers 4000,6000,8000 floats  All    3/23/1993 
32 Install cover - wheel well 4000 Amphibs  All    3/1/1994 
50 Inspection of aircraft skin rivet head interference, on float cross wire pulls. C206  All model Cessna 206 aircraft on Wipline Model 4000 and 3450 floats.    11/6/2000 
86 Cessna 206H Drain Hole Grommets All 206 STC Applicable Float Sizes  Cessna 206H (other models optional only)    7/20/2006 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
10 Bulkhead reinforcement 4000    12/22/1992  25
11 Glareshield reinforcement & V-brace 4000 (C-206)  4/6/2011  27
12 Nose gear ram update 4000/6000/8000    7/25/2002  28
13 Main gear ram update 4000/6000/8000    7/21/1992  28
14 Access cover tinnerman replacement 4000/6000/8000    3/23/1993  29
18 Wheel well cover installation 4000    4/11/1995  32

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
12 Water Rudder Repair 8000, 8750, 10000, 7000, 6000, 6100  87078 & down, 10144 & down  1/2/2015 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
29 Install tinnermans - access covers 4000,6000,8000 floats  All    3/23/1993 
33 Conversion of Model 6000 to Model 6100 Beaver MKI, MKIII  All 6000 floats installed on Beaver MK III with 6000 lb G.W.increase    9/15/1994 
85 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6000, 8000 Floats  All    6/30/2006 
132 Large Water Rudder Installation Wipline 6000 and Wipline 6100 floats    6/22/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
19 6000 to 6100 conversion 6000    9/15/1994  33

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
1 Hyd. motor circuit breakers 6000A - Beaver MKI, MKIII  60001-60006,60011,60012    4/26/1983 
2 Main gear up-stop adjustment 6000A - Beaver MKI, MKIII  60001-60006, 60011-60014    4/26/1983 
3 Nose gear trolley-roller interconnect 6000A - Beaver MKI, MKIII  60001-60012, 60015,60016    4/26/1983 
4 Hyd. system pressure relief valve 3730, C185, C206, 6000A - Beaver MKI, MKIII  0-37614, 0-60030     
6 5A3-399 bush insert in aft end of main gear slide tube 6000A - Beaver MKI, MKIII  60001-60038    8/15/1984 
7 Main gear oleo shock strut 6000A - Beaver MKI, MKIII  60001-60044    12/26/1984 
8 Link-nose gear truck to ram 6000A - Beaver MKI, MKIII  60001-60054    11/25/1985 
9 Installation of diode for protection of hyd. pressure switch 3730 - C185, C206, 6000A - Beaver MKI, MKIII  37636 & down 60050 & down     
10 Install placard, "Flammable Liquids Prohibited" 3730, C206, 6000A - Beaver MKI, MKIII  37636 & down, 60050 & down     
11 Installation of new electric hyd. pump motor 3730 - C185, C206, 6000A - Beaver MKI, MKIII, 8000A - Caravan  37652 & down, 60078 & down, 80006 & down    6/9/1987 
12 Water Rudder Repair 8000, 8750, 10000, 7000, 6000, 6100  87078 & down, 10144 & down  1/2/2015 
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
28 Nose and main gear ram update 4000, 6000, 8000  40072A & down, 60210A & down, 80048A & down    10/10/1992 
29 Install tinnermans - access covers 4000,6000,8000 floats  All    3/23/1993 
33 Conversion of Model 6000 to Model 6100 Beaver MKI, MKIII  All 6000 floats installed on Beaver MK III with 6000 lb G.W.increase    9/15/1994 
34 Nose gear shimmy info 6000/6100 Amphibs  DHC 2 MK I, MK III    12/5/1996 
43 New Wheel and Brake Assembly 3000, 3450, 6000, 8000 Floats  N/A    6/1/2000 
85 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6000, 8000 Floats  All    6/30/2006 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
114 Grease seal vent hole addition for main landing gear bearings Amphibious float models 3000A, 3450A, 6000A, and 8000A    2/21/2011 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
132 Large Water Rudder Installation Wipline 6000 and Wipline 6100 floats    6/22/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
1 Hydraulic pump circuit breakers 6000    4/27/1984  1
2 Main gear up stop adjustment 6000    4/26/1983  2
4 Hydraulic pressure relief valve 3730/6000    10/1/1984  4
5 Slide Tube bushing 6000    8/15/1984  6
6 Main gear oleo replacement 6000/8000    10/29/1992  7
7 Pressure switch diode 3730/6000      9
8 Baggage compartment placard 3730/6000      10
9 New electric hydraulic pump 3730/6000/8000      11
12 Nose gear ram update 4000/6000/8000    7/25/2002  28
13 Main gear ram update 4000/6000/8000    7/21/1992  28
14 Access cover tinnerman replacement 4000/6000/8000    3/23/1993  29
19 6000 to 6100 conversion 6000    9/15/1994  33
21 Nose wheel pivot block 6000/6100    12/5/1996  34
27 Replacement of McCauley Wheels/break 6000/6100/8000    6/1/2000  43

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
12 Water Rudder Repair 8000, 8750, 10000, 7000, 6000, 6100  87078 & down, 10144 & down  1/2/2015 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
121 Fuselage modification, Sta. 228, empennage/tail wheel attach bulkhead fastener replacement to facilitate inspection for AD 99-15-07 compliance Viking DHC-2 MK I Boss Beaver 6100, Ski Plane, Wheel Plane    8/3/2011 
122 Fuselage modification, "Jo-Bolt" installation for 5600 lb GW Beaver Viking DHC-2 Mk. I "Beaver" with Wipaire 5600 lb gwi, 6100, wheel plane and ski plane    8/3/2011 
132 Large Water Rudder Installation Wipline 6000 and Wipline 6100 floats    6/22/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
62 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6100, 8000  8/31/2011  85

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
12 Water Rudder Repair 8000, 8750, 10000, 7000, 6000, 6100  87078 & down, 10144 & down  1/2/2015 
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
34 Nose gear shimmy info 6000/6100 Amphibs  DHC 2 MK I, MK III    12/5/1996 
98 Main Gear Ram Inspection and Improvement All Amphibious 6100, 8000, 10000, 13000 Floats    2/1/2012 
99 T-Seal Upgrades for Main Gear Ram and Nose Actuator 6100, 8000, 10000, 13000 Amphib floats    2/24/2012 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
107 Turbo Beaver AFMS change. 6100 Floats    6/15/2010 
121 Fuselage modification, Sta. 228, empennage/tail wheel attach bulkhead fastener replacement to facilitate inspection for AD 99-15-07 compliance Viking DHC-2 MK I Boss Beaver 6100, Ski Plane, Wheel Plane    8/3/2011 
122 Fuselage modification, "Jo-Bolt" installation for 5600 lb GW Beaver Viking DHC-2 Mk. I "Beaver" with Wipaire 5600 lb gwi, 6100, wheel plane and ski plane    8/3/2011 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
132 Large Water Rudder Installation Wipline 6000 and Wipline 6100 floats    6/22/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
21 Nose wheel pivot block 6000/6100    12/5/1996  34
27 Replacement of McCauley Wheels/break 6000/6100/8000    6/1/2000  43
62 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6100, 8000  8/31/2011  85

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
12 Water Rudder Repair 8000, 8750, 10000, 7000, 6000, 6100  87078 & down, 10144 & down  1/2/2015 
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
108 Kodiak Top Arm Modification, 7000 Main Gear Quest Kodiak on 7000 Amphibious Floats    10/15/2010 
109 Heavy seas strut package option Quest Kodiak on 7000 Floats    9/9/2010 
119 Reposition elevator down spring attachment tab. Quest Kodiak on 7000S or 7000A    3/30/2011 
123 Quest Kodiak modified axle beam bushing. Quest Kodiak 100, Wipline 7000 Floats    8/30/2011 
127 8000 Nose Gear End Cap Cracks 7000A, 8000A  up to and including Model 8000 SN 80398 and Model 7000 SN 70030  12/11/2012 
128 Main Landing Gear Gravel Deflector Installation Quest Kodiak on Wipline 7000 Floats    5/7/2013 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
133 Structural Reinforcement, Exhaust Deflector Installation Quest Kodiak 7000    4/25/2012 
135 Large Water Rudder Installation Quest Kodiak 100 on Wipline 7000 Floats    8/1/2012 
137 Installation of Angle Reinforcement on Model 7000 Aft Bulkhead Quest Kodiak 100, Wipline 7000 Floats   Prior to 70033A  11/19/2013 
147 Quest Kodiak Hydraulic Pump Electrical Wire Routing Correction Quest Kodiak 7000    4/24/2013 
152 Main Gear Oleo Cylinder Piston Movement 7000, 8750    4/1/2014 
153 Float Pump Out Tube Inspection All    10/24/2013 
154 Main Gear Oleo and Top Arm Replacement 8750A, 7000A    6/24/2014 
155 Front Strut Fittings Replacement 7000  70001-70030  12/19/2014 
156 Plugged Bulkhead Sealant Removal 7000A, 8750A, 8750S    3/19/2014 
160 Anode Installation on Floats 7000A, 8750A, 7000S, 8750S, 8000A, 8000S    08/10/2016 
162 Main Gear Actuator Replacement 7000A, 8750A  7000A SN 70032 and below, 8750A SN 87106 and below  8/24/2015 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
76 Kodiak Top Arm Modification, 7000 Main Gear 7000 Amphibious Floats  10/15/2010  108
77 Heavy seas strut package option 7000  8/30/2011  109
83 Main Landing Gear Gravel Deflector Installation Main Landing Gear Gravel Deflector Installation  3/14/2012  128

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
12 Water Rudder Repair 8000, 8750, 10000, 7000, 6000, 6100  87078 & down, 10144 & down  1/2/2015 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
18 Wipare STC SA1311GL (8000 lb. gross weight increase) C208 Caravan with 8000 floats  2080114 & up    10/26/1988 
20 Inspection of fuselage lateral support beam 8000, Caravan  C208 Caravan with 8000 floats built before 1-1-90    1/15/1990 
22 Install front brace wire fitting C208 Caravan with 8000 floats  80001-80026, 80029-80034     
29 Install tinnermans - access covers 4000,6000,8000 floats  All    3/23/1993 
35 Conversion of Model 8000 hull (Cessna 208) to Model 8000 (DHC - 3) hull 8000 floats  DHC-3 Otter    1/24/1996 
42 Firewall Modification - Plate Caravan 208/ with 8000 floats  20800001 and Up    4/26/1999 
44 Firewall Modification - Fitting Lower Firewall Caravan 208/ with 8000 Floats  20800001 and Up    3/24/2000 
53 Installation - Chinese Baggage placards 8000 Floats  80211A, 80212A, 80213A, 80214A, 80227A, 80228A, 80247A, 80248A    6/3/2002 
54 Installation - Shock Strut - Metering Tube 8000 Floats  80244 and DN    6/17/2002 
58 208 Seaplane Float Spreader Bars - Heavy Duty 8000 Floats  S/N 80230 & DN    10/1/2002 
85 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6000, 8000 Floats  All    6/30/2006 
96 Caravan Under-Wing Mounted Hobbs Meter Switch Cessna 208 Caravan  Amphibious or Seaplane Floats    8/14/2007 
100 Retrofit step-struts for a grease hole 3450, 8000, 9000 13000 Amphib. and Seaplane floats    6/25/2008 
106 8000 Water Rudder Pivot Shaft and Springs Inspection Single Otter, 8000 Amphibious or Seaplane Floats    5/30/2010 
111 8000 Float Water Rudder Lock Enhancement Cessna 208 Caravan 8000 Amphibious or Straight Floats    1/25/2012 
125 Bow Bulkheads, Lower Flange Reinforcement 8000  All    9/26/2011 
129 Cessna 208 Drain Hole Scuppers C208 on 8000 Amphib and Straight Floats    3/29/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 
160 Anode Installation on Floats 7000A, 8750A, 7000S, 8750S, 8000A, 8000S    08/10/2016 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
20 8000 (208) to 8000 (DHC3) 8000    12/15/2004  35
24 C-208 Firewall mod - doubler C-208  1/10/2008  42
25 C-208 Firewall mod - tray reinforcement C-208  6/1/2007  44
31 Heavy keel 8000    4/18/2001 
37 Seaplane Spreader bars 8000S    12/27/2005  58
62 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6100, 8000  8/31/2011  85
79 8000 Float Water Rudder Lock Enhancement 8000 Amphibious or Seaplane Floats on Cessna 208 Caravan  1/25/2012  111
81 Bow Bulkheads, Lower Flange Reinforcement 8000    9/26/2011  125

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
11 Installation of new electric hyd. pump motor 3730 - C185, C206, 6000A - Beaver MKI, MKIII, 8000A - Caravan  37652 & down, 60078 & down, 80006 & down    6/9/1987 
12 Water Rudder Repair 8000, 8750, 10000, 7000, 6000, 6100  87078 & down, 10144 & down  1/2/2015 
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
18 Wipare STC SA1311GL (8000 lb. gross weight increase) C208 Caravan with 8000 floats  2080114 & up    10/26/1988 
20 Inspection of fuselage lateral support beam 8000, Caravan  C208 Caravan with 8000 floats built before 1-1-90    1/15/1990 
22 Install front brace wire fitting C208 Caravan with 8000 floats  80001-80026, 80029-80034     
23 Elevator trim circuit breaker, C208 Caravan with 8000A installed C208 Caravan with King autopilot & 8000A floats installed      9/23/1991 
28 Nose and main gear ram update 4000, 6000, 8000  40072A & down, 60210A & down, 80048A & down    10/10/1992 
29 Install tinnermans - access covers 4000,6000,8000 floats  All    3/23/1993 
35 Conversion of Model 8000 hull (Cessna 208) to Model 8000 (DHC - 3) hull 8000 floats  DHC-3 Otter    1/24/1996 
42 Firewall Modification - Plate Caravan 208/ with 8000 floats  20800001 and Up    4/26/1999 
43 New Wheel and Brake Assembly 3000, 3450, 6000, 8000 Floats  N/A    6/1/2000 
44 Firewall Modification - Fitting Lower Firewall Caravan 208/ with 8000 Floats  20800001 and Up    3/24/2000 
53 Installation - Chinese Baggage placards 8000 Floats  80211A, 80212A, 80213A, 80214A, 80227A, 80228A, 80247A, 80248A    6/3/2002 
54 Installation - Shock Strut - Metering Tube 8000 Floats  80244 and DN    6/17/2002 
58 208 Seaplane Float Spreader Bars - Heavy Duty 8000 Floats  S/N 80230 & DN    10/1/2002 
85 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6000, 8000 Floats  All    6/30/2006 
95 Slide Tube End Machining Repair Cessna 208 Caravan - 8000 Amphibious Floats  8000 Amphibious Floats - 80323 & 80324    6/1/2007 
96 Caravan Under-Wing Mounted Hobbs Meter Switch Cessna 208 Caravan  Amphibious or Seaplane Floats    8/14/2007 
98 Main Gear Ram Inspection and Improvement All Amphibious 6100, 8000, 10000, 13000 Floats    2/1/2012 
99 T-Seal Upgrades for Main Gear Ram and Nose Actuator 6100, 8000, 10000, 13000 Amphib floats    2/24/2012 
100 Retrofit step-struts for a grease hole 3450, 8000, 9000 13000 Amphib. and Seaplane floats    6/25/2008 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
106 8000 Water Rudder Pivot Shaft and Springs Inspection Single Otter, 8000 Amphibious or Seaplane Floats    5/30/2010 
111 8000 Float Water Rudder Lock Enhancement Cessna 208 Caravan 8000 Amphibious or Straight Floats    1/25/2012 
114 Grease seal vent hole addition for main landing gear bearings Amphibious float models 3000A, 3450A, 6000A, and 8000A    2/21/2011 
125 Bow Bulkheads, Lower Flange Reinforcement 8000  All    9/26/2011 
127 8000 Nose Gear End Cap Cracks 7000A, 8000A  up to and including Model 8000 SN 80398 and Model 7000 SN 70030  12/11/2012 
129 Cessna 208 Drain Hole Scuppers C208 on 8000 Amphib and Straight Floats    3/29/2012 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 
160 Anode Installation on Floats 7000A, 8750A, 7000S, 8750S, 8000A, 8000S    08/10/2016 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
6 Main gear oleo replacement 6000/8000    10/29/1992  7
9 New electric hydraulic pump 3730/6000/8000      11
12 Nose gear ram update 4000/6000/8000    7/25/2002  28
13 Main gear ram update 4000/6000/8000    7/21/1992  28
14 Access cover tinnerman replacement 4000/6000/8000    3/23/1993  29
20 8000 (208) to 8000 (DHC3) 8000    12/15/2004  35
24 C-208 Firewall mod - doubler C-208  1/10/2008  42
25 C-208 Firewall mod - tray reinforcement C-208  6/1/2007  44
27 Replacement of McCauley Wheels/break 6000/6100/8000    6/1/2000  43
31 Heavy keel 8000    4/18/2001 
35 Landing gear mod 8000    6/18/2002  54
45 Landing gear removal 8000    5/17/2006 
62 Baggage Door Lip and Sealing 2100, 2350, 3000, 3450, 6100, 8000  8/31/2011  85
79 8000 Float Water Rudder Lock Enhancement 8000 Amphibious or Seaplane Floats on Cessna 208 Caravan  1/25/2012  111
81 Bow Bulkheads, Lower Flange Reinforcement 8000    9/26/2011  125

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
12 Water Rudder Repair 8000, 8750, 10000, 7000, 6000, 6100  87078 & down, 10144 & down  1/2/2015 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
153 Float Pump Out Tube Inspection All    10/24/2013 
156 Plugged Bulkhead Sealant Removal 7000A, 8750A, 8750S    3/19/2014 
160 Anode Installation on Floats 7000A, 8750A, 7000S, 8750S, 8000A, 8000S    08/10/2016 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
12 Water Rudder Repair 8000, 8750, 10000, 7000, 6000, 6100  87078 & down, 10144 & down  1/2/2015 
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
152 Main Gear Oleo Cylinder Piston Movement 7000, 8750    4/1/2014 
153 Float Pump Out Tube Inspection All    10/24/2013 
154 Main Gear Oleo and Top Arm Replacement 8750A, 7000A    6/24/2014 
156 Plugged Bulkhead Sealant Removal 7000A, 8750A, 8750S    3/19/2014 
160 Anode Installation on Floats 7000A, 8750A, 7000S, 8750S, 8000A, 8000S    08/10/2016 
162 Main Gear Actuator Replacement 7000A, 8750A  7000A SN 70032 and below, 8750A SN 87106 and below  8/24/2015 
163 8750 terminal strip corrosion 8750A     10/11/2016 
164 8750 Power Pack O-ring Replacement 8450A    10/26/2015 
169 8750 Pylon Nutplate Corrosion 8750A    08/17/2016 
171 8750A Main Gear Oil Bath Wheel System Cessna 208, Cessna 208B, 8750A Floats    10/24/2016 
172 8750A Bulkhead 9 Cracking Cessna 208, Cessna 208B, 8750A Floats    10/27/2016 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
153 Float Pump Out Tube Inspection All    10/24/2013 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
12 Water Rudder Repair 8000, 8750, 10000, 7000, 6000, 6100  87078 & down, 10144 & down  1/2/2015 
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
63 Addition of vent ball stop AT-802A Fire Boss  SN: 154,155,168,169    4/6/2004 
70 Installation -- NAS bolts - Aux Fin - Stabilizer A/C with 10000 floats:  A/C S/N's: 802-0029, 0154, 0155, 0168, 0169, 0173, 0179    12/27/2004 
71 AT-802 Inspection for Cracks AT-802 aircraft with Wipaire 10000 Floats    4/6/2006 
72 802 Air Tractor Float Longeron and Float Bracket Repair AT-802 aircraft with Wipaire 10000 Floats    4/6/2006 
76 AT-802 Fireboss Finlet Inspection & Repair AT-802 w/ Fireboss conversion  all serial numbers    10/5/2005 
78 AT-802 Fire Boss brake line lengthening 10000 Amphibious Floats  AT-802 S/N 10001-10052    4/6/2006 
79 AT-802 Fire Boss Gear Position Switch Brackets 10000 Amphibious Floats  All AT-802 aircraft    4/6/2006 
80 AT-802 Fire Boss Slide Tube Corrosion 10000 Amphibious Floats  All AT-802 aircraft    4/6/2006 
81 AT-802 Adding Larger Water Rudder Stop on Aft Bulkhead 10000 Amphibious Floats  AT-802 S/N 10001-10052A    4/20/2006 
82 AT-802 Fire Boss Forward Upper Brace Supports 10000 Amphibious Floats  All AT-802 aircraft    5/31/2006 
83 AT-802 Fire Boss Shock Strut T-Seal Change 10000 Amphibious Floats  All AT-802 aircraft    6/30/2006 
89 Installation Fuselage Frame Tubing Repair and Installation Revised Kicker Strut Air Tractor AT-802A - 10000 Float    9/25/2008 
90 Installation of Additional Filters for the Scoop Hydraulic Solenoid Valve Air Tractor AT-802A - 10000 Float      1/25/2007 
91 Installation of Modified Main Wheel Seals Air Tractor AT-802A, de Havilland DHC-6- 10000 Float, 1300 Float      1/25/2007 
92 Air Tractor Float Brackett Welding Repair, S/N 217 and Similar Air Tractor AT-802A - 10000 Float    3/31/2007 
93 AT-802 Asymmetric Scoop Position Indicator Upgrade Air Tractor AT-802A - 10000 Float    3/22/2007 
94 Fire Boss Foam Tank Securing Air Tractor AT-802A - 10000 Float    8/3/2010 
98 Main Gear Ram Inspection and Improvement All Amphibious 6100, 8000, 10000, 13000 Floats    2/1/2012 
99 T-Seal Upgrades for Main Gear Ram and Nose Actuator 6100, 8000, 10000, 13000 Amphib floats    2/24/2012 
101 Wipline 10000 Floats Baggage Floor Repair Wipline 10000 Floats    11/26/2008 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
103 Fire Boss spin-on hydraulic filter revision 10000 Amphibious Fire Boss    4/15/2009 
110 Forward Strut Attach Bulkhead Fatigue Crack 10000 Amphibious Floats    11/3/2010 
126 Stern Bulkheads, Lower Flange Reinforcement Fire Boss Air Tractor 802 & 802A with Wipline 10000 Floats  10118 and prior  12/7/2011 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
138 10000 and 13000 Nose Gear End Cap Cracks 10000A and 13000A    12/11/2012 
144 Drag Strut Attachment, Washer Replacement 10000 Amphibious Floats    01/18/2016 
145 Drag Strut Attachment, Top Deck Repair 10000A    4/30/2013 
149 Air Tractor Long Finlet Support Strut AT802A w/ PT6A-67F (1600 HP) AT802 (2-Place)With Wipline 10000 Floats    7/29/2016 
153 Float Pump Out Tube Inspection All    10/24/2013 
157 10000 Bulkheads 9-12, Lower Flange Reinforcement 10000    01/15/2015 
158 Air Tractor Short Finlet Inspection and Support 10000A    12/30/2014 
165 Air Tractor Airspeed Placards 10000A    04/15/2016 
166 Air Tractor Short Finlet Support Strut Removal 10000A    12/04/2015 
167 10000 Probe Jack End Plug Loosening 10000A    04/27/2016 
168 10000A and 13000A Main Gear Drag Brace Tube Repair 10000A, 13000A    03/22/2017 
170 Air Tractor Empennage Cracks AT-802, AT-802A, 10000A Floats    10/24/2016 
175 10000A Forward Strut Spacer Installation AT-802, AT-802A, 10000A Floats    01/05/2017 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
44 Vent ball stop AT-802 w/ Fireboss conversion    4/6/2004  63
49 Installation -- NAS High Strength bolts - Aux Fin - Stabilizer 10000    12/27/2004  70
50 802 Air Tractor Float Longeron and Float Bracket Repair Floated AT-802 Air Tractors  6/9/2005  71
51 802 Air Tractor Access Panel Fabrications for Float Longeron and Float Bracket Repair Floated AT-802 Air Tractors    6/2/2005  71
52 802 Air Tractor Float Longeron and Float Bracket Repair with longer welded gusset. Floated AT-802 Air Tractors  6/8/2005  72
53 802 Air Tractor Fly Wire Installation Floated AT-802 Air Tractors  4/6/2006  72
55 Fireboss Finlet-Bracket Field Repair AT-802 w/ Fireboss conversion    10/5/2005  76
57 AT-802 Fire Boss Brake Line Lengthening 10000 Amphibious Floats    4/6/2006  78
58 AT-802 Adding Larger Water Rudder Stop on Aft Bulkhead 10000 Amphibious Floats    4/20/2006  81
59 AT-802 Additional Forward Upper Brace Support 10000 Amphibious Floats    5/31/2006  82
60 AT-802 Fire Boss Shock Strut 'T'-seals 10000 Amphibious Floats    6/30/2006  83
67 Installation Lower Fuselage Longeron Repair - Left Hand Air Tractor AT-802A - 10000 Floats    1/5/2007 
68 Installation Lower Fuselage Longeron Repair - Right Hand Air Tractor AT-802A - 10000 Floats    1/5/2007 
69 Revise Kicker Strut Air Tractor AT-802A - 10000 Floats  9/25/2008  69
70 Installation of Additional Filters in Scooping Hydraulic System Air Tractor AT-802A - 10000 Floats    1/25/2007  90
71 Assymetric scoop position upgrade Air Tractor AT-802A - 10000 Floats  3/22/2007 
72 Fire Boss Foam Tank Securing AT-802 w/ Fireboss conversion  2/25/2011 
73 Fire Boss Outside Float Step Mod AT-802 w/ Fireboss conversion  10/20/2007 
74 Wipline 10000 Floats Baggage Floor Repair Wipline 10000 Floats  11/26/2008  101
75 Fire Boss spin-on hydraulic filter revision 10000  5/15/2009  103
78 Forward Strut Attach Bulkhead Fatigue Crack 10000 Amphibious Floats  1/20/2011  110
82 Stern Bulkheads, Lower Flange Reinforcement Wipline 10000 for Fireboss  12/7/2011  126

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
36 Rear strut - aft attachment - Twin Otter DHC-6 Twin Otter Model 300 with 13000 floats  130001-130022    12/4/1996 
47 Installation of Hinged Access Covers to Float Top Deck 13000 Floats  Optional All 13000 Series Floats  7/15/2010 
59 Removal of Main Gear Tunnel for Seaplane Floats 13000S Floats  All Seaplane Floats    2/17/2003 
74 Removal of Horizontal Panel and Trunion on Seaplane Floats for Weight Reduction 13000 floats      6/8/2005 
100 Retrofit step-struts for a grease hole 3450, 8000, 9000 13000 Amphib. and Seaplane floats    6/25/2008 
120 Bushing repair for forward, lower center fuselage bow tie mounting plate 13000    4/12/2011 
134 Twin Otter/13000 Lower Bow Strut Fitting Life Limit Viking DHC-6 Twin Otter on Wipline 13000 floats    8/27/2012 
146 13000 Bulkhead #6 Crack Repair 13000  13188 and Below  4/3/2015 
153 Float Pump Out Tube Inspection All    10/24/2013 
159 13000 Scuff Plate Installation 13000    01/16/2015 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
22 Rear strut (aft) float attach (13000) 13000    12/4/1996  37
30 Replacement of fixed access cover to hinged access cover 13000  7/15/2010  47
54 Horizontal Panel and Trunion Removal for weight reduction. 13000    6/8/2005  74

Check the box next to each letter/kit that has been complied.

Service Letters

No. Description A/C or Float Model Serial numbers Rev Date
13 Hydraulic pump motor All  All amphib floats with electric hyd. pump mounted in floats or on firewall    8/4/1987 
14 Pump out tube - plastic All  All floats with nylon plastic pump out tubes    8/13/1987 
15 Hyd. oil contamination in the landing gear hydraulics All  All amphibian floats    2/19/1988 
36 Rear strut - aft attachment - Twin Otter DHC-6 Twin Otter Model 300 with 13000 floats  130001-130022    12/4/1996 
37 Install oil filter for float hydraulic system DHC-6 Twin Otter Model 300 with 13000 floats  All    1/20/1997 
47 Installation of Hinged Access Covers to Float Top Deck 13000 Floats  Optional All 13000 Series Floats  7/15/2010 
91 Installation of Modified Main Wheel Seals Air Tractor AT-802A, de Havilland DHC-6- 10000 Float, 1300 Float      1/25/2007 
98 Main Gear Ram Inspection and Improvement All Amphibious 6100, 8000, 10000, 13000 Floats    2/1/2012 
99 T-Seal Upgrades for Main Gear Ram and Nose Actuator 6100, 8000, 10000, 13000 Amphib floats    2/24/2012 
100 Retrofit step-struts for a grease hole 3450, 8000, 9000 13000 Amphib. and Seaplane floats    6/25/2008 
102 Lake and Air Gear Advisory Information All  Wipline Amphibious Floats  1/30/2009 
120 Bushing repair for forward, lower center fuselage bow tie mounting plate 13000    4/12/2011 
130 Alternate Wheel Bearing Grease for Float Landing Gear All Makes and Models    3/29/2012 
134 Twin Otter/13000 Lower Bow Strut Fitting Life Limit Viking DHC-6 Twin Otter on Wipline 13000 floats    8/27/2012 
138 10000 and 13000 Nose Gear End Cap Cracks 10000A and 13000A    12/11/2012 
146 13000 Bulkhead #6 Crack Repair 13000  13188 and Below  4/3/2015 
153 Float Pump Out Tube Inspection All    10/24/2013 
159 13000 Scuff Plate Installation 13000    01/16/2015 
168 10000A and 13000A Main Gear Drag Brace Tube Repair 10000A, 13000A    03/22/2017 

Service Kits

No. Description A/C or Float Model Rev Date Service Letter
22 Rear strut (aft) float attach (13000) 13000    12/4/1996  37
28 Replacement of McCauley Wheels/break 13000    6/1/2000  43
30 Replacement of fixed access cover to hinged access cover 13000  7/15/2010  47
40 Gear tunnel removal 13000    2/17/2003  59


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