AD 2013-24-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Turbofan Engines |
Unsafe Condition
Reports of cracks in HPC rotor stage 2-5 spool aft spacer arms, which could lead to failure of a critical life-limited rotating engine part, resulting in 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 HPC rotor stage 2-5 spools from service at times determined by a drawdown plan outlined in the AD. The removal schedule is based on cycles since new (CSN) and cycles in service (CIS).
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD, based on cycles since new (CSN) and cycles in service (CIS).
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 HPC rotor stage 2-5 spools, part numbers 351-103-106-0 through 351-103-151-0, and spool serial numbers listed in Appendix A of GE Service Bulletin No. GE90-100 S/B 72-0499.
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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