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Airworthiness Directive 2017-11-08

one-time
Official AD 2017-11-08 · FR doc 2017-11127 · 2017-05-31 · airframe

Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes

What this AD requires

We are adopting a new airworthiness directive (AD) for Diamond Aircraft Industries GmbH Model DA 42 airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as failure of the propeller regulating valve caused by hot exhaust gases coming from fractured engine exhaust pipes. We are issuing this AD to require actions to address the unsafe condition on these products.

Which aircraft AD 2017-11-08 applies to

MakesDiamond Aircraft Industries Gmbh
ModelsDA 42
Serial-conditional — narrows to serials 42.004–42.427, 42.AC001–42.AC151.
Part-conditional — D60-9078-06-01_01, 52-7810-H0014 01.

Applies only to airplanes with a TAE 125-02-99 or TAE 125-02-114 engine installed and either DAI P/N D60-9078-06-01_01 or Technify P/N 52-7810-H0014 01 engine exhaust pipes installed.

Whether AD 2017-11-08 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 2017-11-08 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.