AD 91-06-07
Unsafe Condition
Temperature increase in the contactor studs, smoke in the cockpit, and a potential electrical fire.
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Required Actions
Within 45 days after the effective date, inspect the Electrical Power Center (EPC), Battery Relay Panel (BRP), contactors, and terminal blocks for insulation sleeve length and washer installation per Fokker Service Bulletin F100-24-012. If defects are found, correct sleeve length and washer installation before further flight. If no defects or corrections are made, complete work procedures and operational checks per the service bulletin before returning to service.
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Compliance Time
Within 45 days after the effective date of this AD
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Affected Aircraft
FOKKER Model F-28 Mark 0100 series airplanes with serial numbers 11244 through 11256, 11259, 11260, 11263, 11268 through 11278, 11280 through 11283, and 11286.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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