AD 2005-12-17

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier Model DHC-8-400 Series Airplanes

AD Number
2005-12-17
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2005-21469
FR Citation
70 FR 35172

Applicability

TypeManufacturerModelDetails
aircraft Bombardier DHC-8-400 Airworthiness Directives; Bombardier Model DHC-8-400 Series Airplanes

Unsafe Condition

Cross connection of the fire extinguisher bottles for the forward and aft baggage compartments, auxiliary power unit (APU), and engine nacelles 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 extinguisher bottles for the forward and aft baggage compartments, auxiliary power unit (APU), and engine nacelles to determine if they are connected correctly. If cross-connected, inspect the connector pins for damage and replace any damaged electrical connectors with new ones. Correct any incorrect electrical connections as necessary.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Bombardier Model DHC-8-400 series airplanes, certificated in any configuration.

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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