AD 2005-23-18

final rule
Data completeness: 70%

Airworthiness Directives; Fokker Model F27 Mark 050 Airplanes

AD Number
2005-23-18
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2005-22972
FR Citation
70 FR 69427

Applicability

TypeManufacturerModelDetails
aircraft Fokker F27 Mark 050 Airworthiness Directives; Fokker Model F27 Mark 050 Airplanes

Unsafe Condition

Rupture of the bleed air supply duct, leading to hot bleed air leaking into the engine controls area, causing heat damage to control cables, electrical wiring, hydraulic components, and fuel lines, and consequent fire.

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

Required Actions

Inspect the bleed air supply ducts to determine if blanking plugs are present. Inspect the entire area of the engine nacelle for heat damage. Replace blanking plugs with clamping devices. If bleed air loss is evident, inspect adjacent components for heat damage and replace the bleed air supply duct assembly if necessary. Clean and inspect engine control cables for discoloration and apply corrosion-preventing compound if needed. Repair heat damage to components, wiring, or structures using an approved method.

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

All Fokker Model F27 Mark 050 airplanes.

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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