AD 2005-18-17

final rule
Data completeness: 70%

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

AD Number
2005-18-17
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2005-21435
FR Citation
70 FR 53558

Applicability

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

Unsafe Condition

Chafing between fuel and hydraulic tubes and the fairlead plate where the tubes pass through the firewall, which could lead to fuel and/or hydraulic fluid leakage in the engine nacelle area and consequent fire or explosion.

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

Required Actions

Inspect the fuel and hydraulic tubes for nicks, dents, chafing, or damage, and take corrective action if any damage exceeds acceptable limits. Modify the fairlead plate assemblies as specified in the service bulletin.

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

Compliance Time

Within 500 flight hours after the effective date for airplanes without specific modifications, or within 4,000 flight hours after the effective date for airplanes with specific modifications.

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

Affected Aircraft

Bombardier Model DHC-8-400 series airplanes, serial numbers 4003 through 4089 inclusive, certificated in any category.

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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