AD Amdt-39-9191
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Jetstream | Model 4101 | Airworthiness Directives; Jetstream Model 4101 Airplanes |
Unsafe Condition
Fatigue failure of the case drain line in the hydraulics system due to lack of support against vibration.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install new case drain pipes and an additional fairlead support for the hydraulics case drain line in the rear spar area of the engine/nacelle.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Jetstream Model 4101 airplanes subject to 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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