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Airworthiness Directive 2015-16584

one-time
AD 2015-16584 · 2015-07-14 · turboprop engine

Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines

What this AD requires

We are adopting a new airworthiness directive (AD) for certain serial number GE Aviation Czech s.r.o. M601E-11, M601E-11A, and M601F turboprop engines. This AD requires inspection of the reduction gearbox and supporting cone. This AD was prompted by the determination that wear or cracking, and subsequent misalignment of the quill shaft of the engine and the power turbine (PT) shaft, may lead to rupture of the quill shaft, overspeed of the PT, and uncontained engine failure. We are issuing this AD to prevent misalignment and rupture of the quill shaft, which could lead to overspeed of the PT, uncontained engine failure, and damage to the airplane.

Which aircraft AD 2015-16584 applies to

MakesGe Aviation Czech S.R.O.
ModelsM601E-11, M601E-11A, M601F, M601
Serial-conditional — narrows to serials 833244–833244, 841289–841289, 852239–852239, 861007–861007, 881217–881217, 884021–884021, 892046–892046, 892219–892219, 894018–894018, 903028–903028, 913038–913038, 912023–912023, 902004–902004, 883046–883046, 912001–912001, 924002–924002.

Applies only to the specific serial-numbered M601E-11, M601E-11A, and M601F engines listed in the AD.

Whether AD 2015-16584 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.

How AD compliance is recorded

A valid compliance record (14 CFR 43.9) states:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.
Date — When the work was done.
Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.
Signature & certificate — The A&P/IA who returned it to service, with certificate number.
Is AD 2015-16584 complied with on your aircraft?

Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.

Look up a tail number →Read the full directive (Federal Register)

Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.