AD 2017-11-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Turbofan Engines |
Unsafe Condition
Reduction in the life limit of the affected engines due to a revised operating profile, which could lead to failure of the high-pressure turbine (HPT) spacer/impeller, uncontained release of the HPT spacer/impeller, damage to the engine, and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the HPT spacer/impeller, part number 1539M12P02, before it exceeds 18,000 flight cycles since new. Do not install or return to service any engine with an HPT spacer/impeller exceeding this limit.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD, unless already done.
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Affected Aircraft
General Electric Company CF6-80C2L1F turbofan engines with a high-pressure turbine (HPT) spacer/impeller, part number 1539M12P02, installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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