AD 48-10-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Scotts-Bell 47 Inc | 47B | Airworthiness Directives; Bell Model 47B Series and 47D Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47B3 | Airworthiness Directives; Bell Model 47B Series and 47D Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47D | Airworthiness Directives; Bell Model 47B Series and 47D Helicopters |
Unsafe Condition
Main wood rotor blades may have wood checks or cracks between the outboard edge of face plates and inboard edge of fiberglass cover, and at the extreme butt end.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove main wood rotor blades and inspect for wood checks or cracks. Report findings to the manufacturer using their provided forms. Fill cracks with 3M adhesive filler No. EC612 and apply five brush coats of 3M adhesive sealer No. EC498 after drying. If no cracks, apply sealer only.
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Compliance Time
by April 1, 1948
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Affected Aircraft
Scotts-Bell 47 Inc Models 47B Series, 47B3, and 47D 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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