Airworthiness Directives

SIKORSKY Model S-92A helicopters [Docket No. FAA-2014-0493; Directorate Identifier 2013-SW-019-AD; Amendment 39-18173; AD 2015-11-10] – adopts a new airworthiness directive (AD) requiring installation of a main gearbox (MGB) failed pump sensor and vacuum switch wiring; installation of an MGB oil...

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