AD 2021-03-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Turbofan Engines |
Unsafe Condition
Incidents that resulted in a significant fuel loss during flight and an in-flight shutdown (IFSD) of the engine due to inserts on the HMU/MEC idler adapter on the AGB assembly pulling out of the housing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Initial and repetitive shim checks of the HMU/MEC idler adapter on the AGB assembly, and depending on the results of the shim check, possible replacement of the inserts on the HMU/MEC idler adapter. As a terminating action, a protrusion check and a pull-out test, and the replacement of inserts on the HMU/MEC idler adapter that fail either test.
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Compliance Time
Within 1,200 flight hours after the effective date of this AD.
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Affected Aircraft
GE CF6-80C2A1, 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, and CF6-80C2D1F model turbofan engines with certain HMU/MEC idler adapter P/Ns 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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