AD 2021-13-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Turbofan Engines |
Unsafe Condition
A crack in the lower fuel manifold causing fuel leakage due to low-cycle fatigue due to the abrupt transition created by the brazed support block pad and its inability to slide due to thermal loads as intended.
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Required Actions
An ultrasonic inspection (USI) or a fluorescent penetrant inspection (FPI) of the lower fuel manifold. Depending on the results of the USI or FPI, replacement of the lower fuel manifold with a part eligible for installation.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
General Electric Company GEnx-2B67, GEnx-2B67/P, and GEnx-2B67B model turbofan engines.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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