AD 2013-24-01

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2013-24-01
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2013-0974
FR Citation
78 FR 70851

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

Engine damage and thrust loss events as a result of flying in high altitude ice crystal icing (ICI) conditions, leading to potential unrecoverable thrust loss on multiple engines.

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Required Actions

Revise the airplane flight manual (AFM) to advise flight crews of potential ICI conditions at high altitudes and prohibit operation in moderate and severe ICI conditions. Inspect the engine after any ICI event is detected by the flight crew, with specific compliance requirements based on the airplane model.

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Compliance Time

Before further flight for affected engines, with specific requirements based on the airplane model.

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Affected Aircraft

The Boeing Company Model 747-8 and 747-8F series airplanes and Model 787-8 airplanes powered by GEnx engines.

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Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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