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Airworthiness Directive 2007-02-17

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Official AD 2007-02-17 · FR doc E7-1082 · 2007-01-26 · turboshaft engine

Airworthiness Directives; Turbomeca Arriel 1 Series Turboshaft Engines

What this AD requires

We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

Which aircraft AD 2007-02-17 applies to

MakesTurbomeca
ModelsArriel 1A, Arriel 1A1, Arriel 1A2, Arriel 1B, Arriel 1B2, Arriel 1C, Arriel 1C1, Arriel 1C2, Arriel 1D, Arriel 1D1, Arriel 1K1, Arriel 1E, Arriel 1E2, Arriel 1S, Arriel 1S1, Arriel

Installed on but not limited to Agusta A109 series, Eurocopter AS 350, AS 365, SA 365, EC 155, and BK 117 series, and Sikorsky S-76A and S-76C series helicopters.

Whether AD 2007-02-17 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 2007-02-17 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.