AD 2026-04-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Engines |
Unsafe Condition
Fracture and subsequent uncontained release of certain HPC stage 5 blisks due to a nonconforming indication in a single forged ingot used to manufacture the affected parts.
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Required Actions
Replace certain HPC stage 5 blisks with parts eligible for installation.
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Compliance Time
Before further flight
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Affected Aircraft
General Electric Company Model GEnx-1B64, GEnx-1B64/P1, GEnx-1B64/P2, GEnx-1B67, GEnx-1B67/P1, GEnx-1B67/P2, GEnx-1B70, GEnx-1B70/75/P1, GEnx-1B70/75/P2, GEnx-1B70/P1, GEnx-1B70/P2, GEnx-1B70C/P1, GEnx-1B70C/P2, GEnx-1B74/75/P1, GEnx-1B74/75/P2, GEnx-1B76/P2, Genx-1B76A/P2, GEnx-2B67, GEnx-2B67/P, and GEnx-2B67B engines with a high-pressure compressor (HPC) stage 5 blisk having part number (P/N) 2357M35P02 installed and a serial number (S/N) referenced in paragraphs (c)(1) through (3) of this AD.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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