AD 72-03-02

72-03-02 SIAI-MARCHETTI: Amendment 39-1386. Applies to Model S.205, Serial Numbers 001 through 003, 101 through 104, 106 through 108, 110 through 399, 4-101 through 4- 104, 4-106 through 4-133, 4-135 through 4-165, 4-167 through 4-202, 4-204 through 4-206, 4- 208 through 4-235, 4-237 through 4-252, 4-256 through 4-268, 4-271, 4-273, 4-274, 4-277 through 4-282, 4-285, 5-302, and 5-303; and to Model S.208, Serial Numbers 001 through 003, 1-03 through 1-12, 1-14, 1-15, 2-16 through 2-19, 2-48 through 2-50, 3-100, and 4-51 airplanes.

Compliance required as indicated.

To prevent structural failure of the wing front spar attachments to the fuselage frame, accomplish the following:

(a) For airplanes with 500 or more hours' time in service on the effective date of this AD, within the next 100 hours' time in service after the effective date of this AD comply with paragraph (c).

(b) For airplanes with less than 500 hours' time in service on the effective date of this AD, -(1) Within the next 100 hours' time in service after the effective date of this AD, and thereafter at intervals not to exceed 100 hours' time in service from the last inspection, until modified in accordance with paragraph (c), visually inspect, using a magnifying glass of at least 5 powers, the wing front spar attachments to the fuselage frame 2BIS, P/N 205-1-043-01, for cracks in accordance with SIAI-Marchetti Service Bulletin No. 205B28, dated May 11, 1971, or an FAA-approved equivalent. If cracks are found during an inspection required by this paragraph, before further flight comply with paragraph (c).

(2) Before the accumulation of 600 hours' time in service comply with paragraph (c).

(c) Modify both sides of the fuselage frame No. 2BIS, P/N 205-1-043-01, in accordance with SIAI-Marchetti Service Bulletin No. 205B28, dated May 11, 1971, or an FAA- approved equivalent.

This amendment becomes effective February 25, 1972.