AD Amdt-39-11438
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company CF6-80E1A2 Series | Airworthiness Directives; General Electric Company CF6-80E1A2 Series Turbofan Engines |
Unsafe Condition
Refined low cycle fatigue (LCF) analysis indicates potential LCF cracking and failure of stage 2 high pressure turbine (HPT) disks and impeller spacers, which could lead to uncontained engine failure and damage to the aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service stage 2 HPT disks and impeller spacers prior to exceeding new, lower cyclic life limits. Implement a drawdown program for parts that currently exceed or will exceed the new lower limits.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before exceeding new, lower cyclic life limits.
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Affected Aircraft
General Electric Company CF6-80E1A2 series turbofan engines.
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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