75-22-20 SIAI-MARCHETTI: Amendment 39-2392. Applies to Models S.205-18/R, - 20/R, and -22/R, S/N's 001 thru 003, 101 thru 399, 4-101 thru 4-282, 4-285, 4-292, 5-302, 5-303 and 5-406; and Model S.208, S/N's 001 thru 003, 1-03 thru 1-15, 2-16 thru 2-27, 2-47 thru 2-50, 4-51, 4-60, 4-61, 4-62, 369, 3-100, 4-231, 4-233, 4-256, 4-257, and 4-258 airplanes, certificated in all categories.
Compliance is required as indicated.
To prevent possible failure of the landing gear, accomplish the following:
(a) Within the next 25 hours' time in service after the effective date of this AD, unless already accomplished, inspect the landing gear actuator attaching fork, P/N 205-6-214-15, for cracks, failure, and fork fin distance in accordance with Instructions, paragraph A., of SIAI Marchetti Service Bulletin, S.B. No. 205B40, dated April 7, 1975, or an FAA-approved equivalent.
(b) If the inspection required by paragraph (a) of this AD reveals cracks or failure of the attaching fork, orif the fork fin distance is less than the minimum specified in the service bulletin, Instructions, paragraph a.8., before further flight, replace the landing gear actuator attaching fork, P/N 205-6-214-15, with one of new design, P/N 205-6-214-07, in accordance with Instructions, paragraph b. of SIAI Marchetti S.B. No. 205B40, or an FAA-approved equivalent.
(c) If the inspection required by paragraph (a) of this AD reveals no cracks or failures and the fork fin distance is within allowable limits, either -
(1) Reinstall the landing gear actuator fork, P/N 205-6-214-15, in accordance with Instructions, paragraph c. of SIAI Marchetti S.B. No. 205B40, or an FAA- approved equivalent; or
(2) Install a new landing gear actuator attaching fork, P/N 205-6-214-07, in accordance with Instructions, paragraph b. of SIAI Marchetti S.B. No. 205B40, or an FAA- approved equivalent.
This amendment becomes effective October 30, 1975.