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Airworthiness Directive 2004-22-07

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Official AD 2004-22-07 · FR doc 04-23929 · 2004-10-27 · turbine engine

Airworthiness Directives; General Electric Company (GE) CF6-80C2 Turbofan Engines

What this AD requires

The FAA is adopting a new airworthiness directive (AD) for GE CF6-80C2 turbofan engines with certain part number (P/N) high pressure turbine stage 2 nozzle guide vanes (HPT S2 NGVs) installed. This AD requires flex borescope inspections of HPT S2 NGVs installed in CF6- 80C2 turbofan engines. This AD results from an uncontained engine failure due to HPT S2 NGV distress. We are issuing this AD to prevent blade separation from HPT S2 NGV distress, which could result in an uncontained engine failure.

Which aircraft AD 2004-22-07 applies to

MakesGeneral Electric
ModelsCF6-80C2A1, CF6-80C2A2, CF6-80C2A3, CF6-80C2A5, CF6-80C2A5F, CF6-80C2A8, CF6-80C2B1, CF6-80C2B1F, CF6-80C2B2, CF6-80C2B2F, CF6-80C2B4, CF6-80C2B4F, CF6-80C2B5F, CF6-80C2B6, CF6-80C2B6F, CF6-80C2B6FA, CF6-80C2B7F, CF6-80C2B8F, CF6-80C2D1F, CF6
Part-conditional — 1347M66G03, 1347M66G04, 1815M81G01 through 1815M81G07, 9373M80G07 through 9373M80G22, 9373M80G25 through 9373M80G32, 9373M80G33 through 9373M80G36, 2080M38G01 through 2080M38G16, 2080M38G19 through 2080M38G24.

Applies only when HPT stage 2 nozzle guide vane (HPT S2 NGV) part numbers listed in AD Table 1 are installed; certain P/N groups additionally require that repair insert P/N 1957M40G01 or 1957M40G02 was installed during modification/repair, that the part was repaired, or that GE repaired the NGV within a specified date window (see AD Table 1 for per-group conditions).

Whether AD 2004-22-07 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 2004-22-07 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.