AD 2005-18-19

final rule
Data completeness: 70%

Airworthiness Directives; Fokker Model F27 Mark 200, 400, 500, and 600 Airplanes

AD Number
2005-18-19
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2005-21683
FR Citation
70 FR 53556

Applicability

TypeManufacturerModelDetails
aircraft Fokker F27 Mark 200 Airworthiness Directives; Fokker Model F27 Mark 200, 400, 500, and 600 Airplanes

Unsafe Condition

Rotary knobs controlling the fuel tank isolating valves were found in the shut position, which could result in fuel starvation to both engines and consequent inability to maintain controlled flight and landing.

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

Required Actions

Perform a general visual inspection of the rotary knobs for the fuel tank isolation valves to determine if the seal wire is installed correctly. Take corrective actions as applicable, in accordance with Fokker Service Bulletin F27/28-67.

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

Compliance Time

Within 3 months after the effective date of this AD.

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

Affected Aircraft

Fokker Model F27 Mark 200, 400, 500, and 600 airplanes, serial numbers 10505 through 10591 inclusive, not equipped with inboard wing fuel tanks.

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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