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Airworthiness Directive 2017-19-15

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Official AD 2017-19-15 · FR doc 2017-20419 · 2017-09-26 · reciprocating engine

Airworthiness Directives; Technify Motors GmbH Reciprocating Engines

What this AD requires

We are adopting a new airworthiness directive (AD) for certain Technify Motors GmbH TAE 125-02 reciprocating engines. This AD requires replacement of the clutch with a dual mass flywheel. This AD was prompted by a loss of engine power in flight caused by oil leaking from the gearbox radial shaft sealing ring that contaminated the clutch. We are issuing this AD to correct the unsafe condition on these products.

Which aircraft AD 2017-19-15 applies to

MakesTechnify Motors Gmbh
ModelsTAE 125-02-99, TAE 125-02-114, TAE 125

Applies only to engines with a gearbox having a serial number listed in Figure 1 to paragraph (c) of this AD (a list of discrete gearbox serial numbers, e.g. 00095, 00107, 00139 ... through 02432).

Whether AD 2017-19-15 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 2017-19-15 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.