AD 2017-07-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Turbofan Engines |
Unsafe Condition
Cracking on HPC rotor stage 2-5 spool aft spacer arms, which could result in failure of a critical life-limited rotating engine part, leading to an uncontained engine failure and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove certain HPC rotor stage 2-5 spools from service at times determined by a drawdown plan specified in the compliance section.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
General Electric Company GE90-110B1 and GE90-115B turbofan engines with high-pressure compressor (HPC) stage 2-5 spools, including additional part numbers (P/Ns) identified in the AD.
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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