AD Amdt-39-9941
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker | F27 | Airworthiness Directives; Fokker Model F27 Series Airplanes Equipped With Walter Kidde Nose Wheel Steering System |
Unsafe Condition
The dowel pins in the Walter Kidde nose wheel steering system were found broken and/or had elongated holes due to a reduced torque value of the bolt connecting the gearbox housing assembly to the pivot bracket of the nose landing gear.
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Required Actions
Increase the torque value of the bolt connecting the gearbox housing assembly to the NLG pivot bracket. Incorporate periodic inspections of the torque value into the FAA-approved maintenance program.
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Compliance Time
Before further flight
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Affected Aircraft
Fokker Model F27 series airplanes equipped with Walter Kidde nose wheel steering system.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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