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Airworthiness Directive E9-30978

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AD E9-30978 · 2009-12-31 · turbine engine

Airworthiness Directives; General Electric Company (GE) CF34-1A, CF34-3A, and CF34-3B Series Turbofan Engines; Delay of Effective Date

What this AD requires

The FAA is delaying the effective date of the final rule airworthiness directive (AD) 2009-24-11, which published in the Federal Register, for an additional 30 days, from January 4, 2010 to February 3, 2010. The FAA is delaying the effective date to allow us a sufficient amount of time to make corrections to the compliance text of the final rule.

Which aircraft AD E9-30978 applies to

MakesGeneral Electric Company (Ge) Cf34-1A, Cf34-3A, And Cf34-3B

Whether AD E9-30978 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 E9-30978 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.