AD 83-06-06

final rule
Data completeness: 70%

Airworthiness Directives; British Aerospace Model B.121, Series 1, 2, and 3 Series Airplanes

AD Number
83-06-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft DeHavilland Support Limited Beagle B.121 Series 1 Airworthiness Directives; British Aerospace Model B.121, Series 1, 2, and 3 Series Airplanes
aircraft DeHavilland Support Limited Beagle B.121 Series 2 Airworthiness Directives; British Aerospace Model B.121, Series 1, 2, and 3 Series Airplanes
aircraft DeHavilland Support Limited Beagle B.121 Series 3 Airworthiness Directives; British Aerospace Model B.121, Series 1, 2, and 3 Series Airplanes

Unsafe Condition

Failure of the Part Number BE.45.10193 Rudder Control Lever Assembly (or Assembly not identified as Part Number BE.45.50107) located at Fuselage Station 217.75.

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

Required Actions

Visually inspect the Rudder Control Lever Assembly to determine its part number. If it is BE.45.10193 or cannot be identified, remove and inspect using visual and dye penetrant procedures per Service Bulletin No. B.121/71. Replace if a crack is found with Part No. BE.45.50107. Adjust inspection intervals up to 10% for maintenance scheduling. Use airplane hours time-in-service if records are unavailable.

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

Compliance Time

within 50 hours time-in-service after the effective date of this AD and thereafter at intervals not to exceed 50 hours time-in-service from the last inspection

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

Affected Aircraft

British Aerospace Model B.121, Series 1, 2, and 3 (all serial numbers)

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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