AD 2018-17-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Turbofan Engines |
Unsafe Condition
engine failure due to an ice-crystal icing (ICI) event, which could result in failure of one or more engines and loss of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Upgrade the FADEC software to a software version eligible for installation within 90 days after the effective date of this AD.
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Compliance Time
Within 90 days after the effective date of this AD.
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Affected Aircraft
General Electric Company (GE) GE90-76B, GE90-77B, GE90-85B, GE90-90B, and GE90-94B turbofan engines with full authority digital engine control (FADEC) software, version 9.3.2.4 or earlier, installed.
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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