AD 47-41-03
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
Failure of the fuel line connecting the fuel shutoff valve and auxiliary fuel pump
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the rigid aluminum line with a flexible hose line. Replace part number 47-686-001-37 with AN 856A6A or AN 6270-6-14 on specified serial numbers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
next 50-hour inspection after December 1, 1947
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Scotts-Bell 47 Inc Models 47B and 47B3 Helicopters, serial numbers 2 through 5, 7 through 11, 13 and 14
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Fuel Line Replacement
Applicability Source Text
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AD Final Rules - DRS_47-41-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-41-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 47B and 47B3 Helicopters Subject: Fuel Line Replacement 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Date: Make: Scotts-Bell 47 Inc Model: 47B | 47B3 Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 47-41-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-41-03 SUBJECT HEADING: Airworthiness Directives; Bell Model 47B and 47B3 Helicopters ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-41-03 BELL: (Was Mandatory Note 15 of AD-1H-2.) Applies to Models 47B and 47B3 Helicopters. Compliance required not later than next 50-hour inspection after December 1, 1947. To prevent failure of the fuel line connecting the fuel shutoff valve and auxiliary fuel pump, replace the rigid aluminum line with a flexible hose line. On Serial Numbers 2 through 5, 7 through 11, 13 and 14, replace P/N 47-686-001-37 with P/N AN 856A6A or AN 6270-6-14. (Bell Service Bulletin 47C46 dated June 19, 1947, covers the above installation.) FOOTER:
Document Text
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AD Final Rules - DRS_47-41-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 47-41-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 47B and 47B3 Helicopters Subject: Fuel Line Replacement 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: 47-41-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 47-41-03 SUBJECT HEADING: Airworthiness Directives; Bell Model 47B and 47B3 Helicopters ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 47-41-03 BELL: (Was Mandatory Note 15 of AD-1H-2.) Applies to Models 47B and 47B3 Helicopters. Compliance required not later than next 50-hour inspection after December 1, 1947. To prevent failure of the fuel line connecting the fuel shutoff valve and auxiliary fuel pump, replace the rigid aluminum line with a flexible hose line. On Serial Numbers 2 through 5, 7 through 11, 13 and 14, replace P/N 47-686-001-37 with P/N AN 856A6A or AN 6270-6-14. (Bell Service Bulletin 47C46 dated June 19, 1947, covers the above installation.) 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
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Unsafe Condition: Inspect Tail Rotor Blade & Abrasion Strip