AD 95-21-20
Unsafe Condition
Electrical arcing between the flexible fuel drain line and starter motor positive terminal of the auxiliary power unit (APU), which could lead to a fire in the APU.
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Required Actions
Perform a visual inspection of the APU flexible fuel drain line and its braiding. If no damage is found, install two additional clamps on the fuel supply line and flexible fuel drain line. If damage is detected, replace the drain line with a new or serviceable one and install the clamps.
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Compliance Time
Within 14 days after the effective date of this AD, or prior to further flight if damage is detected.
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Affected Aircraft
Fokker Model F28 Mark 0100 series airplanes, serial numbers 11244 through 11405 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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