GE AVIATION CZECH s.r.o. TURBOPROP ENGINES [Docket No. FAA-2017-0658; Product Identifier 2017-NE-20-AD; Amendment 39-19195; AD 2018-03-22] The FAA is adopting a new airworthiness directive (AD) for GE Aviation Czech s.r.o. M601D-11, M601E-11, M601E-11A, M601E-11AS, M601E-11S, and M601F turboprop engines. This AD requires removal of certain power turbine (PT) disks installed on the affected engines. This AD was prompted by a design review by the manufacturer that determined PT rotors with ...


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