AD 2008-21-11

final rule
Data completeness: 70%

Airworthiness Directives; General Electric Company CF6-80C2 Series and CF6-80E1 Series Turbofan Engines

AD Number
2008-21-11
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2007-28367
FR Citation
73 FR 63354

Applicability

TypeManufacturerModelDetails
engine General Electric Company CF6-80C2 Series and CF6-80E1 Series Airworthiness Directives; General Electric Company CF6-80C2 Series and CF6-80E1 Series Turbofan Engines

Unsafe Condition

Hardware fragments were liberated into the engine flowpath and wore through LPT cases on CF6-80C2 and CF6-80E1 series engines, leading to potential uncontained release of engine debris and loss of the structural integrity of the mount system that supports the engine.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Install skin doubler pads and deflectors on stage 5 of certain low-pressure turbine (LPT) cases, or replace those LPT cases with LPT cases that have skin doubler pads and deflectors already installed.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 8 years after the effective date of the AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

General Electric Company CF6-80C2 series and CF6-80E1 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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