AD Amdt-39-9263

final rule
Data completeness: 70%

Airworthiness Directives; Jetstream Model ATP Airplanes

AD Number
Amdt-39-9263
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 94-NM-168-AD
FR Citation
60 FR 32900

Applicability

TypeManufacturerModelDetails
aircraft Jetstream Model ATP Airworthiness Directives; Jetstream Model ATP Airplanes

Unsafe Condition

Ice accretion in the engine air intake ducts leading to ingestion into the engine and engine power rollback (loss of engine power).

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

Required Actions

Install modified engine de-ice timers, modify electrical wiring for the duct heat of the engine air intake, install a time delay for the de-ice system in the right engine air intake duct, and revise the Airplane Flight Manual.

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

Jetstream Model ATP airplanes with certain engine de-ice systems requiring modification.

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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