AD 72-02-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Scotts-Bell 47 Inc | 47G | Airworthiness Directives; Bell Model 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-4, 47G-4A, 47G-5, 47J-2, and 47J-2A ,47J, 47G, 47G-2, and 47J Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-2 | Airworthiness Directives; Bell Model 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-4, 47G-4A, 47G-5, 47J-2, and 47J-2A ,47J, 47G, 47G-2, and 47J Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-2A | Airworthiness Directives; Bell Model 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-4, 47G-4A, 47G-5, 47J-2, and 47J-2A ,47J, 47G, 47G-2, and 47J Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-2A-1 | Airworthiness Directives; Bell Model 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-4, 47G-4A, 47G-5, 47J-2, and 47J-2A ,47J, 47G, 47G-2, and 47J Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-3 | Airworthiness Directives; Bell Model 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-4, 47G-4A, 47G-5, 47J-2, and 47J-2A ,47J, 47G, 47G-2, and 47J Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-3B | Airworthiness Directives; Bell Model 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-4, 47G-4A, 47G-5, 47J-2, and 47J-2A ,47J, 47G, 47G-2, and 47J Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-3B-1 | Airworthiness Directives; Bell Model 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-4, 47G-4A, 47G-5, 47J-2, and 47J-2A ,47J, 47G, 47G-2, and 47J Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-3B-2 | Airworthiness Directives; Bell Model 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-4, 47G-4A, 47G-5, 47J-2, and 47J-2A ,47J, 47G, 47G-2, and 47J Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-4 | Airworthiness Directives; Bell Model 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-4, 47G-4A, 47G-5, 47J-2, and 47J-2A ,47J, 47G, 47G-2, and 47J Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47G-4A | Airworthiness Directives; Bell Model 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-4, 47G-4A, 47G-5, 47J-2, and 47J-2A ,47J, 47G, 47G-2, and 47J Helicopters |
Unsafe Condition
Cracks in the tube surface of control rod assembly, P/N 47-150-255-1, could result in failure of the control system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect both control tubes within 100 hours time in service after the effective date of this AD. Repetitive inspections must be conducted at intervals of not more than 1200 hours time in service. If cracks are found, polish and reinspect as specified; if cracks persist, remove the tube before further flight. Protect exposed surfaces with zinc chromate primer if no cracks are found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 100 hours time in service after the effective date of this AD
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Affected Aircraft
Bell Models 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-4, 47G-4A, 47G-5, 47J-2, 47J-2A, 47J (S/N 1777 and subsequent), and 47G, 47G-2, 47J (S/N 1420 through 1776) helicopters incorporating Bell Mast Controls Kit No. 47-3411-1 or Service Instruction No. 333.
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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