AD 47-32-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Scotts-Bell 47 Inc | 47B | Airworthiness Directives; Bell Model 47B and 47B3 Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47B3 | Airworthiness Directives; Bell Model 47B and 47B3 Helicopters |
Unsafe Condition
The main rotor mast assembly may fail due to fatigue cracking.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the main rotor mast assembly with mast assembly 47-130-100-2.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
at the next 50-hour transmission teardown inspection
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Scotts-Bell 47 Inc Model 47B and 47B3 helicopters
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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