AD 83-06-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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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