AD 2009-25-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company GE90-110B1 | Airworthiness Directives; General Electric Company GE90-110B1, GE90-113B, and GE90-115B Series Turbofan Engines |
Unsafe Condition
Failure of stage 6 low-pressure turbine (LPT) blades, which could result in uncontained engine failure and damage to the airplane.
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Required Actions
Initial and repetitive inspections for shroud interlock wear of the stage 6 LPT blades. Replace those blades with stage 6 LPT blades eligible for installation at the next engine shop visit as terminating action to the repetitive blade inspections.
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Compliance Time
Within 50 flight hours after the effective date of this AD.
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Affected Aircraft
General Electric Company GE90-110B1, GE90-113B, and GE90-115B series turbofan engines with stage 6 LPT blades, part number (P/N) 1765M37P03 or P/N 1765M37P04, installed.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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