AD 2018-25-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker | Services B | Airworthiness Directives; Fokker Services B.V. Airplanes |
Unsafe Condition
Reports of electrical arcing between the auxiliary power unit (APU) starter motor positive terminal and the APU fuel drain line, which could lead to a fire during APU start and possibly result in damage to the airplane.
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Required Actions
Remove certain clamps and replace the flexible APU fuel drain line (which includes making sure there is sufficient clearance between the new APU fuel drain line and the positive terminal of the APU starter motor and that the earth lead is not chafing against the fuel supply or the fuel drain line).
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Compliance Time
Before further flight
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Affected Aircraft
All Fokker Services B.V. Model F28 Mark 0070 and 0100 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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