AD 94-08-13
Unsafe Condition
Nuisance yaw-damper fault warnings and undetected horizontal trim motion could compromise the safe takeoff of the airplane.
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Required Actions
Install modified Flight Warning Computers (FWC P/N 80-0610-3-30 or 80-0610-3-31) and Flight Augmentation Computers (FAC P/N 622-7478-401MOD11 or 622-7478-411) as specified in Fokker Service Bulletins. Compliance must follow the service bulletins' procedures.
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Compliance Time
Within one year after the effective date of this AD (May 20, 1994) or prior to further flight after accomplishing related requirements.
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Affected Aircraft
Fokker Model F-28 Mark 0100 series airplanes with serial numbers 11244 through 11348 inclusive, equipped with specific Flight Warning Computers (P/N 80-0610-2-( )) or Flight Augmentation Computers (P/N 622-7478-321 or 622-7478-401).
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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