AD 76-09-06

76-09-06 SIAI-MARCHETTI: Amendment 39-2595. Applies to Model S205 airplanes, S/N 5-406 and below, and Model S208 airplanes, S/N 4-64 and below, certificated in all categories.

Compliance is required as indicated.

To prevent a possible loss of aileron control, accomplish the following:

(a) Within 10 hours time in service after the effective date of this AD, unless already accomplished within the preceding 15 hours time in service and thereafter, at intervals not to exceed 25 hours time in service from the last inspection, visually inspect the rear wing spar for cracks in accordance with paragraph (a) of the 'INSTRUCTIONS" section of SIAI Marchetti Service Bulletin No. 205B42, dated January 3, 1976, or an FAA-approved equivalent.

(b) If a crack is found during an inspection required by paragraph (a) of this AD, before further flight, repair and reinforce the rear wing spar adjacent to the inboard and outboard aileron hinge attachments in accordance with paragraphs (c) and (d) of the "INSTRUCTIONS" section of SIAI Marchetti Service Bulletin No. 205B42, dated January 3, 1976, or an FAA- approved equivalent, except that, for SIAI Marchetti Model S205 airplanes, S/N's 101 through 222, 224, 228, 229, 231, 232, and 233, the reinforcement provisions of paragraph (c) of the Service Bulletin need not be accomplished.

(c) The repetitive inspections required by paragraph (a) of this AD may be discontinued after the repair and reinforcement required by paragraph (b) of this AD is accomplished.

This amendment becomes effective May 10, 1976.