AD 76-14-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | 206L | Airworthiness Directives; Bell Model 206L Helicopters |
Unsafe Condition
Failure of fuel system components due to excessive pressure from thermal expansion of the fuel after engine shutdown.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove fuel shutoff valve Part Number 206-063-640-1 and replace it with fuel shutoff valve Part Number 206-063-640-3.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 100 hours time in service after the effective date of this AD
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Affected Aircraft
Bell Model 206L helicopters, Serial Numbers 45006 through 45020, with fuel valve Part Number 206-063-640-1 installed
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Fuel System Components
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_76-14-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-14-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 206L Helicopters Subject: Fuel System Components Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/19/1976 Make: Bell Helicopter Textron Canada Limited Model: 206L Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 76-14-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2669 AD NUMBER: 76-14-05 SUBJECT HEADING: Airworthiness Directives; Bell Model 206L Helicopters ACTION: SUMMARY: DATES: Effective August 19, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-14-05 BELL: Amendment 39-2669. Applies to Model 206L helicopters, Serial Numbers 45006 through 45020, with fuel valve Part Number 206-063-640-1 installed, certificated in all categories. Compliance required within the next 100 hours time in service after the effective date of this AD, unless already accomplished. To prevent failure of fuel system components due to excessive pressure from thermal expansion of the fuel after engine shutdown, remove fuel shutoff valve P/N 206-063-640-1 and replace it with fuel shutoff valve P/N 206-063-640-3. Bell Helicopter Textron Service Bulletin No. 206L-76-2 pertains to this subject and provides approved instructions for this replacement activity. This amendment becomes effective August 19, 1976. FOOTER:
Document Text
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AD Final Rules - DRS_76-14-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 76-14-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 206L Helicopters Subject: Fuel System Components Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/19/1976 Make: Bell Helicopter Textron Canada Limited Model: 206L 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: 76-14-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2669 AD NUMBER: 76-14-05 SUBJECT HEADING: Airworthiness Directives; Bell Model 206L Helicopters ACTION: SUMMARY: DATES: Effective August 19, 1976. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 76-14-05 BELL: Amendment 39-2669. Applies to Model 206L helicopters, Serial Numbers 45006 through 45020, with fuel valve Part Number 206-063-640-1 installed, certificated in all categories. Compliance required within the next 100 hours time in service after the effective date of this AD, unless already accomplished. To prevent failure of fuel system components due to excessive pressure from thermal expansion of the fuel after engine shutdown, remove fuel shutoff valve P/N 206-063-640-1 and replace it with fuel shutoff valve P/N 206-063-640-3. Bell Helicopter Textron Service Bulletin No. 206L-76-2 pertains to this subject and provides approved instructions for this replacement activity. This amendment becomes effective August 19, 1976. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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