AD Amdt-39-10238
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland | DHC-8-100 | Airworthiness Directives; de Havilland Model DHC-8-100, -200, and -300 Series Airplanes |
Unsafe Condition
Fuel leaks in refuel/defuel tube assemblies in engine nacelles may lead to increased risk of engine fires.
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Required Actions
Inspect the five refuel/defuel tube assemblies within 30 days after effective date, and repeat every 6 months. Modify the exhaust fingernail tube assembly within 12 months and remaining assemblies within 24 months. Replace leaking assemblies before further flight. Prohibit installation of specific part numbers.
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Compliance Time
Within 30 days (initial inspection), 12 months (first modification), 24 months (second modification) after effective date
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Affected Aircraft
de Havilland Model DHC-8-100, -200, and -300 series airplanes listed in Bombardier Alert Service Bulletin S.B. A8-28-20, Revision A
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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