SIKORSKY Model S-92A helicopters [Docket No. FAA-2012-0216; Directorate Identifier 2010-SW-025-AD] – proposes to require inspecting the tail rotor (T/R) pylon for a loose or missing fastener, a crack, damage, or corrosion and adding an internal doubler to the aft shear deck tunnel assembly. This proposed AD is prompted by the discovery of cracks in T/R pylons. The proposed actions are intended to detect a loose or missing fastener, a crack, damage, or corrosion on the T/R pylon and, if ...

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