AD 68-19-06
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus SAS | BAC 1-11 200 Series | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11 200 and 400 Series Airplanes |
| aircraft | Airbus SAS | BAC 1-11 400 Series | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11 200 and 400 Series Airplanes |
Unsafe Condition
Failure of the fuel line, P/N AB15-835, which connects the low pressure fuel filter to the auxiliary power unit.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect fuel line P/N AB15-835 for fuel leakage within 75 hours' time in service after the effective date and every 75 hours thereafter. Replace leaking fuel lines before next flight with serviceable part of same part number or modified P/N AB15-967 or improved P/N AB15-835 by Dunlop Company. Discontinue inspections after installing modified P/N AB15-967 or improved P/N AB15-835.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 75 hours' time in service after the effective date of this AD and thereafter at intervals not to exceed 75 hours' time in service from the last inspection
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
BRITISH AIRCRAFT CORPORATION Model BAC 1-11 200 and 400 Series airplanes
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Failure, Power Unit Fuel Line
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_68-19-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-19-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11 200 and 400 Series Airplanes Subject: Failure, Power Unit Fuel Line Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/19/1968 Make: Airbus SAS Model: BAC 1-11 200 Series | BAC 1-11 400 Series Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 68-19-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-656 AD NUMBER: 68-19-06 SUBJECT HEADING: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11 200 and 400 Series Airplanes ACTION: SUMMARY: DATES: Effective September 19, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-19-06 BRITISH AIRCRAFT CORPORATION: Amendment 39-656. Applies to Model BAC 1-11 200 and 400 Series airplanes. Compliance required as indicated, unless already accomplished. To prevent failure of the fuel line, P/N AB15-835, which connects the low pressure fuel filter to the auxiliary power unit, accomplish the following: (a) Within 75 hours' time in service after the effective date of this AD and thereafter at intervals not to exceed 75 hours' time in service from the last inspection, inspect fuel line, P/N AB15-835, which connects the low pressure filter to the auxiliary power unit, for signs of fuel leakage, in accordance with BAC 1-11 Alert Service Bulletin 49-A-PM 3579, Issue 1 or later ARB-approved issue or FAA-approved equivalent. (b) If the fuel line, P/N AB15-835, is found to be leaking fuel during the inspection required by paragraph (a), before the next flight, replace the defective fuel line with a serviceable part of the same part of the same part number or with a modified fuel line, P/N AB15-967, or improved P/N AB15-835 manufactured by the Dunlop Company. (c) The repetitive inspections required by paragraph (a) of this AD may be discontinued after the modified fuel line, P/N AB15-967, or improved P/N AB15-835 manufactured by the Dunlop Company, is installed. When the latter fuel line is installed, it should be renumbered as P/N AB15-967. This amendment becomes effective September 19, 1968. FOOTER:
Document Text
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AD Final Rules - DRS_68-19-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-19-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11 200 and 400 Series Airplanes Subject: Failure, Power Unit Fuel Line Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/19/1968 Make: Airbus SAS Model: BAC 1-11 200 Series | BAC 1-11 400 Series Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 68-19-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-656 AD NUMBER: 68-19-06 SUBJECT HEADING: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model BAC 1-11 200 and 400 Series Airplanes ACTION: SUMMARY: DATES: Effective September 19, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-19-06 BRITISH AIRCRAFT CORPORATION: Amendment 39-656. Applies to Model BAC 1-11 200 and 400 Series airplanes. Compliance required as indicated, unless already accomplished. To prevent failure of the fuel line, P/N AB15-835, which connects the low pressure fuel filter to the auxiliary power unit, accomplish the following: (a) Within 75 hours' time in service after the effective date of this AD and thereafter at intervals not to exceed 75 hours' time in service from the last inspection, inspect fuel line, P/N AB15-835, which connects the low pressure filter to the auxiliary power unit, for signs of fuel leakage, in accordance with BAC 1-11 Alert Service Bulletin 49-A-PM 3579, Issue 1 or later ARB-approved issue or FAA-approved equivalent. (b) If the fuel line, P/N AB15-835, is found to be leaking fuel during the inspection required by paragraph (a), before the next flight, replace the defective fuel line with a serviceable part of the same part of the same part number or with a modified fuel line, P/N AB15-967, or improved P/N AB15-835 manufactured by the Dunlop Company. (c) The repetitive inspections required by paragraph (a) of this AD may be discontinued after the modified fuel line, P/N AB15-967, or improved P/N AB15-835 manufactured by the Dunlop Company, is installed. When the latter fuel line is installed, it should be renumbered as P/N AB15-967. This amendment becomes effective September 19, 1968. FOOTER:
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Retrieved: Apr 8, 2026
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