AD 2020-01-55
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Turbofan Engines |
Unsafe Condition
An uncontained high-pressure turbine (HPT) failure that resulted in an aborted takeoff, which could result in uncontained HPT failure, release of high-energy debris, damage to the engine, damage to the airplane, and possible loss of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service the interstage seal, part number 2505M72P01 or 2448M33P01, from the affected engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 5 flight cycles from the effective date of AD 2020-01-55.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
General Electric Company (GE) GE90-110B1 and GE90-115B model turbofan engines with certain engine serial numbers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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