AD Amdt-39-11145

Recurring final rule
Data completeness: 70%

Airworthiness Directives; British Aerospace (Jetstream) Model 4101 Airplanes

AD Number
Amdt-39-11145
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 96-NM-214-AD
FR Citation
64 FR 20150

Applicability

TypeManufacturerModelDetails
aircraft British Aerospace (Jetstream) Model 4101 Airworthiness Directives; British Aerospace (Jetstream) Model 4101 Airplanes

Unsafe Condition

Fatigue cracks in the structure attaching the engine nacelle fairing to the wing flaps could result in partial or complete separation of the fairing, leading to additional structural damage or reduced controllability.

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

Required Actions

Inspect the structure associated with the engine nacelle fairing for damage and repair any found. Drill a new drain hole in each engine nacelle fairing and apply sealant to the gap between the wing flap and engine nacelle fairing. Correct discrepancies and modify the wing flap structure to terminate repetitive inspections.

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

All British Aerospace (Jetstream) Model 4101 series airplanes.

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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