AD 98-09-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric Company | GE90-76B | Airworthiness Directives; General Electric Company Model GE90-76B Turbofan Engines |
Unsafe Condition
Low cycle fatigue failure of certain rotating components, potentially leading to an uncontained engine failure.
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Required Actions
Remove from service components listed in Table 1 of GE90 ASB No. 72-A318 before exceeding new cyclic life limits established in the ASB. Replace with serviceable components. Alternative methods of compliance may be requested through the FAA.
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Compliance Time
Prior to exceeding the new cyclic life limits established in paragraph 1.D.(1) of GE90 ASB No. 72-A318 dated June 27, 1997.
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Affected Aircraft
General Electric Company Model GE90-76B turbofan engines, installed on but not limited to Boeing 777 series aircraft.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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