Airworthiness Directives; Univair Aircraft Corporation Models Ercoupe 415-C, 415-CD, 415-D, 415-E, and 415-G, Forney F-1 and F-1A, Alon A-2 and A-2A, and Mooney M10 Airplanes

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This amendment adopts a new airworthiness directive (AD) that applies to Univair Aircraft Corporation (Univair) Models Ercoupe 415-C, 415-CD, 415-D, 415-E, and 415-G, Forney F-1 and F-1A, Alon A-2 and A- 2A, and Mooney M10 airplanes. This action requires installing inspection openings in the outer wing panels, inspecting (one-time) the wing outer panel structure for corrosion, and repairing any corrosion found. Several reports of corrosion in the outer wing panels of the affected airplanes prompted the proposed action. The actions specified by this AD are intended to prevent wing structural damage, that, if not detected and corrected, could progress to the point of failure.