AD 2007-11-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | DHC-8-400 | Airworthiness Directives; Bombardier Model DHC-8-400 Series Airplanes |
Unsafe Condition
Reports of the electrical connectors for the fire bottles in the forward and aft baggage compartments, auxiliary power unit (APU), and engine nacelle being cross-connected, which could result in failure of the fire bottles to discharge and consequent inability to extinguish a fire in the affected areas.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the electrical connectors of the fire bottles for the forward and aft baggage compartments, APU, and engine nacelles to determine if they are connected correctly. Install/modify lanyards, mounts, and clamps to the forward and aft baggage compartment, APU, and engine nacelle fire extinguishing systems. Revise the aircraft maintenance manual to incorporate installation and removal procedures for certain fire bottles and fire extinguisher cartridges.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 14 days after July 5, 2005 (the effective date of the previous AD 2005-12-17)
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Affected Aircraft
Bombardier Model DHC-8-400 series airplanes, certificated in any category; serial numbers (S/Ns) 4001 through 4107 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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