AD 48-02-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Scotts-Bell 47 Inc | 47B | Airworthiness Directives; Bell Model 47B Series Airplanes |
| aircraft | Scotts-Bell 47 Inc | 47B3 | Airworthiness Directives; Bell Model 47B Series Airplanes |
Unsafe Condition
Failure of the tail rotor drive shaft bearing hangers could result in loss of tail rotor control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Reinforce the tail rotor drive shaft bearing hangers by riveting reinforcement plates (Bell P/N 47-267-001-152, -153, -154, -155, -156, and -157) with AN 470-AD3-4 rivets.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
before next 25 hours of operation
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Scotts-Bell 47 Inc Model 47B | 47B3, serial numbers through 78.
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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