AD 2025-11-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Engines |
Unsafe Condition
The detection of iron inclusion in turbine disks manufactured from the same powder metal material used to manufacture certain HPT stage 1 and HPT stage 2 disks for the above-referenced engines may cause reduced material properties and a lower fatigue life capability, which may result in premature fracture and uncontained failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace affected HPT stage 1 and HPT stage 2 disks with parts eligible for installation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
At the next piece-part exposure after the effective date of the AD, or before the affected HPT stage 1 disks and HPT stage 2 disks reach the cyclic removal threshold of up to 10,100 cycles since new, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
General Electric Company (GE) 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, and GEnx-2B67/P engines.
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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