AD 89-20-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | BAe 146-100A | Airworthiness Directives; BRITISH AEROSPACE Model BAe 146 Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-200A | Airworthiness Directives; BRITISH AEROSPACE Model BAe 146 Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-300A | Airworthiness Directives; BRITISH AEROSPACE Model BAe 146 Series Airplanes |
Unsafe Condition
Loss of control of the airplane on the ground due to incorrect torque loading of the nose wheel steering cuff ring nut.
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Required Actions
Within 100 landings after the AD's effective date or last inspection under AD 88-22-05, check and mark the nose wheel steering cuff ring nut torque per SB 32-A95 Rev 1. If torque is incorrect, re-torque and reinspect within 30 days and every 300 landings. By 2,800 landings after the effective date, modify the ring nut locking means per SB 32-95-70409A. Alternate compliance may be approved by the FAA.
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Compliance Time
Within 100 landings after the effective date of this AD, or within 100 landings after the last inspection accomplished in accordance with AD 88-22-05, whichever occurs later
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Affected Aircraft
British Aerospace Model BAe 146 series airplanes, 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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