AD Amdt-39-10774

final rule
Data completeness: 70%

Airworthiness Directives; British Aerospace (Jetstream) Model 4101 Airplanes

AD Number
Amdt-39-10774
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 98-NM-152-AD
FR Citation
63 FR 50138

Applicability

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

Unsafe Condition

Failure of hose assemblies in the fire extinguisher system of the engine nacelle due to cracks in the swaged ferrule that attaches the hose to the end fitting, caused during manufacture.

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

Required Actions

Conduct a one-time inspection to determine the data on the label of certain hose assemblies. Replace all hose assemblies from any discrepant batch with certain new hose assemblies. Add airplanes to the applicability of the existing AD.

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

British Aerospace (Jetstream) Model 4101 airplanes, including newly added applicability as specified in the AD.

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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