AD 48-03-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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.
Federal Register Abstract
Bushings Installation
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_48-03-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 48-03-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 47B Series Helicopters Subject: Bushings Installation Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Scotts-Bell 47 Inc Model: 47B | 47B3 Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 48-03-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 48-03-06 SUBJECT HEADING: Airworthiness Directives; Bell Model 47B Series Helicopters ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 48-03-06 BELL: Applies to All 47B Series Through Serial Number 78. Compliance required at next 25-hour inspection. If the play between the two bolts which connect links 47-612-048, to the side and aft sprag systems and the adapter plate, exceeds 0.010 inch, bushing 78B6-8-11 should be added to the tube assembly fittings and the clevis end of the link; bushings 75B6-8-11-5 should be added to the opposite end of the link; and bushings 75B6-8-8, 47-612-053-1 or 47-612-053-2 should be installed in the adapter plate. (Bell Service Bulletin 47C62 dated December 2, 1947, covers this subject and gives more detailed reaming and dimensional information.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_48-03-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 48-03-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 47B Series Helicopters Subject: Bushings Installation Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Scotts-Bell 47 Inc Model: 47B | 47B3 Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 48-03-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 48-03-06 SUBJECT HEADING: Airworthiness Directives; Bell Model 47B Series Helicopters ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 48-03-06 BELL: Applies to All 47B Series Through Serial Number 78. Compliance required at next 25-hour inspection. If the play between the two bolts which connect links 47-612-048, to the side and aft sprag systems and the adapter plate, exceeds 0.010 inch, bushing 78B6-8-11 should be added to the tube assembly fittings and the clevis end of the link; bushings 75B6-8-11-5 should be added to the opposite end of the link; and bushings 75B6-8-8, 47-612-053-1 or 47-612-053-2 should be installed in the adapter plate. (Bell Service Bulletin 47C62 dated December 2, 1947, covers this subject and gives more detailed reaming and dimensional information.) FOOTER:
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.
Related Airworthiness Directives
2023-11-07
final ruleAirworthiness Directives; Various Helicopters
Unsafe Condition: unsafe condition on these products.
2009-12-01
final ruleAirworthiness Directives; Bell Helicopter Textron, Inc. Model 47, 47B, 47B3, 47D, 47D1, 47E, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
Unsafe Condition: An incorrectly installed main rotor blade box beam clip (clip) could result in a main rotor blade spar crack, loss of a main rotor blade, and subsequent loss of control of the helicopter.
98-07-09
final ruleAirworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
Unsafe Condition: Failure of the stabilizer bar damper link assembly due to separation of the damper link if the damper link rod end bushing loosens and exits the damper link rod end.
96-06-12
final ruleAirworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47-K Helicopters
Unsafe Condition: Inspect Tail Rotor Blade & Abrasion Strip