AD 2015-23-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Turbofan Engines |
Unsafe Condition
Reports of GEnx-1B engine oil loss, which could lead to failure of one or more engines, loss of thrust control, and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the ball valve, P/N 2349M68P01, from the affected oil filler cap and replace with a part eligible for installation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 360 cycles in service after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All General Electric Company (GE) GEnx-1B model turbofan engines with oil filler cap, part number (P/N) 2349M62G01, installed, that do not contain any of the following markings after the P/N on the oil filler cap scupper: 'P/M BALL PP,' or 'RW,' or '79-0022.'
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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