75-17-19 SIAI-MARCHETTI: Amendment 39-2321. Applies to SIAI Marchetti F.260 airplanes, Serial Numbers 101 thru 125; 2-26 thru 2-57; 2-59 thru 2-61; 3-76 thru 3-81 and 502, certificated in all categories.
Compliance is required as indicated, unless already accomplished.
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, and thereafter at intervals not to exceed 50 hours' time in service from the last inspection, until replaced in accordance with paragraph (b) or (c) of this AD, inspect the landing gear actuator brackets, P/N 260-05-1413 and -14, or P/N 260-05-14-25 and -26, installed on Bulkhead No. 5, for cracks in accordance with paragraph (a) of SIAI Marchetti Service Bulletin No. 260B13, dated March 10, 1975, or an FAA-approved equivalent.
(b) If cracks are found during an inspection required by paragraph (a) of this AD, before further flight, replace the brackets with new brackets, P/N 260-05-201-03, in accordance with paragraph (b) of SIAI Marchetti Service Bulletin No. 260B13, dated March 10, 1975, or an FAA-approved equivalent.
(c) If no cracks are found during an inspection required by paragraph (a) of this AD, within the next 500 hours' time in service after the effective date of this AD, replace the brackets with new brackets, P/N 260-05-201-03, in accordance with paragraph 9b) of SIAI Marchetti Service Bulletin No. 260B13, dated March 10, 1975, or an FAA-approved equivalent.
This amendment becomes effective August 19, 1975.