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Airworthiness Directive 2009-14-08

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Official AD 2009-14-08 · FR doc E9-15513 · 2009-07-01 · turbine engine

Airworthiness Directives; General Electric Company (GE) CF6-80C2B5F Turbofan Engines

What this AD requires

The FAA is adopting a new airworthiness directive (AD) for GE CF6-80C2B5F turbofan engines. This AD requires removing certain part number (P/N) high-pressure compressor rotor (HPCR) stages 11-14 spool/ shafts before they exceed a new, reduced life limit. This AD results from an internal GE audit that compared the life limited parts certification documentation to the airworthiness limitations section (ALS) of the instructions for continuing airworthiness (ICA). We are issuing this AD to prevent HPCR stages 11-14 spool/shaft fatigue cracks caused by exceeding the life limit, which could result in a possible uncontained failure of the HPCR spool/shaft and damage to the airplane.

Which aircraft AD 2009-14-08 applies to

MakesGeneral Electric
ModelsCF6-80C2B5F, CF6-80C2
Part-conditional — 1703M74G03.

Applies only when the high-pressure compressor rotor (HPCR) stages 11-14 spool/shaft, P/N 1703M74G03, is installed. These engines are installed on, but not limited to, Boeing 747 series airplanes.

Whether AD 2009-14-08 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 2009-14-08 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.