Service Letter: Nose Gear Pivot Block and Fork Updates

Applicable Aircraft: AT-802, AT-802A, 10000A

Applicable Serial Numbers: S/N 10001A - 10314A, 10333A - 10342A: Spherical bearing pivot block, 3-piece nose fork, fixed centering spring, S/N 10315A - 10332A, 10343A - 10408A: Tapered bearing pivot block, 3-piece nose fork, fixed centering spring, S/N 10409A and later: Tapered bearing pivot block, single-piece nose fork, adjustable centering spring