AD 99-21-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | Jetstream Model 4101 | Airworthiness Directives; British Aerospace (Jetstream) Model 4101 Airplanes |
Unsafe Condition
Electrical arcing due to damaged fuel standby pump cable assemblies and conduit pipes, which could create a possible ignition source and consequent fire hazard.
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Required Actions
Within 6 months after the effective date, perform a one-time visual inspection of the conduit pipes for distortion or repairs. Replace the conduit pipe with new parts if distortion or repairs are found before further flight. Replace fuel standby pump cable assemblies with new assemblies part number F5-71-1.
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Compliance Time
Within 6 months after the effective date
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Affected Aircraft
Jetstream Model 4101 airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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