72-22-01: Landing Gear Uplock Rollers

72-22-01 BEECH: Amendment 39-1544. Applies to the following: Models Serial Numbers 35-33, 35-A33, 35-B33, 35-C33, E33, F33, and G33 CD-1 thru CD-1256 35-C33A, E33A and F33A CE-1 thru CE-349 E33C and F33C CJ-1 thru CJ-30 35, A35, B35, C35, D35, E35, F35, G35, H35, J35, K35, M35, N35, P35, S35, V35, V35TC, V35A, V35A-TC, V35B and V35B-TC D-1 thru D-9287 36 and A36 E-1 thru E-283 A45(T-34A), B45 and D45(T-34B) All 95-55, 95-A55, 95-B55 and 95-B55A TC-1 thru TC-1402 95-C55, 95-C55A, D55, D55A, E55 and E55A TE-1 thru TE-846 56TC and A56TC TG-1 thru TG-94 58 TH-1 thru TH-174 95, B95, B95A, D95A, and E95 TD-2 thru TD-721 Compliance: Required as indicated, unless already accomplished: To decrease the possibility of gear-up landings caused by seizure of the uplock rollers, accomplish the following: A) Within the next 300 hours' time in service after the effective date of this AD, determine ifeach uplock roller is of the greasible type (one having a drilled and grooved inner race) and replace any nongreasible uplock roller (one having a solid inner race) with the greasible type prior to further flight. NOTE: This determination may be made by lubricating the uplock rollers and verifying that grease passes between the inner and outer races. B) Within the next 300 hours' time in service after the effective date of this AD, install hollow zerk-ended mounting bolts on the uplock rollers in accordance with Beech Service Instructions No. 0448-211 or any FAA-approved equivalent. C) Within the next 300 hours' time in service after the effective date of this AD, and thereafter at 100 hour intervals, lubricate the uplock mechanism in accordance with Beech Service Instruction No. 0448-211. This AD supersedes AD 72-17-02 (Amendment 39-1501). This amendment becomes effective October 25, 1972.