AD 2011-07-12

final rule
Data completeness: 70%

Airworthiness Directives; Fokker Services B.V. Model F.27 Mark 050 Airplanes

AD Number
2011-07-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-0262
FR Citation
76 FR 20493

Applicability

TypeManufacturerModelDetails
aircraft Fokker Services B Airworthiness Directives; Fokker Services B.V. Model F.27 Mark 050 Airplanes
aircraft Aviat Various Airworthiness Directives; Fokker Services B.V. Model F.27 Mark 050 Airplanes

Unsafe Condition

The clearance between parts of the main landing gear (MLG) and the fuel pipes may be insufficient, leading to chafing and possibly resulting in fuel leakage and, in combination with other factors, a fuel fire.

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

Required Actions

Inspect to determine fuel pipe part numbers, visually inspect the clearance between certain fuel pipes and parts of the main landing gear, replace pipes with insufficient clearance, and revise the maintenance program to incorporate a fuel limitation and a critical design configuration control limitation (CDCCL).

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

Fokker Services B.V. Model F.27 Mark 050 airplanes, serial numbers 20133 through 20142, and other affected serial numbers as specified in the AD.

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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