Airworthiness Directives

SIKORSKY Model S-76A, S-76B, and S-76C helicopters. [Docket No. FAA-2014-0335; Directorate Identifier 2013-SW-021-AD; Amendment 39-18358; AD 2015-26-10] — adopts a new airworthiness directive (AD) requiring inspection of the main gearbox (MGB) lower housing jet bores for leaks, paint or caulk...

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