AD 89-20-10

final rule
Data completeness: 70%

Airworthiness Directives; BRITISH AEROSPACE Model BAe 146 Series Airplanes

AD Number
89-20-10
Status
final_rule
Effective Date
Product Category
aircraft
Docket
89-NM-35-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

British Aerospace Model BAe 146 series airplanes, certificated in any category.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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