AD 2014-20-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Airplanes |
Unsafe Condition
Missing clamps that are required to provide positive separation between the AC feeder cables and the hydraulic line of the landing gear alternate extension can result in chafing of the AC feeder cable. A chafed and arcing AC feeder cable could puncture the adjacent hydraulic line, which, in combination with the use of the alternate extension system, could result in an in-flight fire.
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Required Actions
Inspect for missing clamps that are required to provide positive separation between the AC feeder cables and the hydraulic line of the landing gear alternate extension. Perform a general visual inspection of the AC power feeder cables and the hydraulic line for damage due to chafing. Repair chafed parts and replace missing clamps as necessary.
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Compliance Time
Before further flight
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Affected Aircraft
Bombardier, Inc. Model DHC-8-400 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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