AD 2004-09-34
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company CF6-80E1 Model | Airworthiness Directives; General Electric Company CF6-80E1 Model Turbofan Engines |
Unsafe Condition
Cracks in high pressure turbine (HPT) stage 2 (S2) nozzle guide vanes (NGVs) part number 1647M84G09 or 1647M84G10 could occur sooner and grow faster than originally predicted, potentially leading to HPT rotor blade failure and an uncontained engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect HPT S2 NGVs using a flex borescope at reduced compliance intervals. Replace NGVs if cracks are found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the reduced compliance intervals specified in the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
General Electric Company CF6-80E1 model turbofan engines with HPT S2 NGVs part number 1647M84G09 or 1647M84G10 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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