75-23-02 AER PEGASO and CARMAM: Amendment 39-2413. Applies to Aer Pegaso M100S gliders, all serial numbers, and Carmam M200 gliders, except serial number 45 and subsequent, certificated in all categories.
Compliance is required as indicated, unless already accomplished.
To prevent possible structural failure of aileron spars accomplish the following:
(a) Within the Next 10 hours' time in service after the effective date of this AD, and, thereafter, at intervals not to exceed 20 hours' time in service from the last inspection, visually inspect the aileron spar to the right of the central hinge for cracks.
(b) If a crack is found during an inspection required by paragraph (a) of this AD, before further flight, reinforce the affected area with plates made of 1.5 mm thick birch plywood of aeronautical quality in accordance with Carmam Drawing, titled "Modification Aileron Central Part" dated April 12, 1968, or an FAA- approved equivalent.
(c) Upon incorporationof the reinforcement specified in paragraph (b) of this AD, the inspections required by paragraph (a) of this AD may be discontinued.
This amendment becomes effective November 14, 1975.