SIRKORSKY (ERICKSON AIR-CRANE) S-64E helicopters [Docket No. FAA-2013-0454; Directorate Identifier 2009-SW-81-AD; Amendment 39-17621; AD 2013-20-15] – supersedes an AD requiring inspecting and reworking the main gearbox (MGB) assembly second stage lower planetary plate. This action establishes or...

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