AD 2013-17-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Turbofan Engines |
Unsafe Condition
Distress of certain stage 1 high-pressure turbine (HPT) stator shrouds due to accelerated corrosion and oxidation, including one engine in-flight shutdown (IFSD) caused by failure of the HPT stator shrouds.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Initial and repetitive on-wing 360-degree borescope inspections (BSIs) for corrosion and oxidation of stage 1 HPT stator shrouds. If a shroud is found to be distressed, reinspection at a reduced interval or removal from service before further flight is required.
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Compliance Time
Within the compliance times specified in the AD, unless already done.
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Affected Aircraft
General Electric Company GE90-76B, -85B, -90B, -94B, -110B1, and -115B turbofan engines with stage 1 HPT stator shroud part number 1847M52P16.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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