AD Amdt-39-10887

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 757-200 Series Airplanes Equipped With Rolls Royce Model RB211-535E4/E4B Engines

AD Number
Amdt-39-10887
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 98-NM-294-AD
FR Citation
63 FR 63390

Applicability

TypeManufacturerModelDetails
aircraft Boeing 757-200 Airworthiness Directives; Boeing Model 757-200 Series Airplanes Equipped With Rolls Royce Model RB211-535E4/E4B Engines

Unsafe Condition

Activation of the engine cowl thermal anti-ice (CTAI) system in the middle of descent could result in a compressor stall and subsequent engine rundown of multiple engines.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Revise the Airplane Flight Manual (AFM) to ensure flightcrew activates the engine cowl thermal anti-ice system for both engines prior to descent.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Boeing Model 757-200 series airplanes equipped with Rolls Royce Model RB211-535E4/E4B engines.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for Boeing 757-200

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