AD 48-03-06

final rule
Data completeness: 60%

Airworthiness Directives; Bell Model 47B Series Helicopters

AD Number
48-03-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Scotts-Bell 47 Inc 47B Airworthiness Directives; Bell Model 47B Series Helicopters
aircraft Scotts-Bell 47 Inc 47B3 Airworthiness Directives; Bell Model 47B Series Helicopters

Unsafe Condition

Excessive play between the bolts connecting links 47-612-048 to the side and aft sprag systems and the adapter plate exceeds 0.010 inch, which could lead to component failure.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Install bushings 78B6-8-11, 75B6-8-11-5, and 75B6-8-8/47-612-053-1/47-612-053-2 in the tube assembly fittings, clevis end of the link, and adapter plate respectively if excessive play is found during inspection.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

next 25-hour 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 through serial number 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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.