AD 2011-12-14

final rule
Data completeness: 70%

Airworthiness Directives; Fokker Services B.V. Model F.28 Mark 0070 and 0100 Airplanes

AD Number
2011-12-14
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-0220
FR Citation
76 FR 35340

Applicability

TypeManufacturerModelDetails
aircraft Fokker Services B Airworthiness Directives; Fokker Services B.V. Model F.28 Mark 0070 and 0100 Airplanes
aircraft Aviat Various Airworthiness Directives; Fokker Services B.V. Model F.28 Mark 0070 and 0100 Airplanes

Unsafe Condition

The fuel sense line from the overflow valves may touch the adjacent fuel-quantity indication-probe. Under certain conditions, this may result in an ignition source in the wing tank vapor space, potentially leading to a wing fuel tank explosion and consequent loss of the airplane.

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Required Actions

Perform a general visual inspection of the routing and clamping of the sense line hose and wiring conduit hose to each wing tank overflow valve. If incorrect routing or clamping is found, install two brackets next to the overflow valve, modify the hose routing, and install clamps to keep the hoses in position. Revise the maintenance program to include a Critical Design Configuration Control Limitation (CDCCL).

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Compliance Time

Within 84 months after the effective date of this AD

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Affected Aircraft

Fokker Services B.V. Model F.28 Mark 0070 and 0100 airplanes, 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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