AD 93-14-02
Unsafe Condition
Erroneous lateral guidance from the automatic flight control and augmentation system (AFCAS) when a go-around is initiated below 100 feet during a flight director (FD) or non-redundant autopilot approach.
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Required Actions
Amend AFM Section 2.08.01 to include specified weather limitations and FD usage restrictions within 14 days after the effective date. Install improved AFCAS software (version V13S) via Fokker Service Bulletin SBF100-22-037 to terminate AFM amendment requirements. Alternative methods may be approved by the FAA.
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Compliance Time
Within 14 days after the effective date of this AD
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Affected Aircraft
FOKKER Model F28 Mark 0100 series airplanes; serial numbers 11244 through 11463, inclusive; certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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