AD 80-25-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | L-1011-385-1 | LOCKHEED-CALIFORNIA COMPANY Model L-1011 Series Airplanes |
| aircraft | Lockheed Martin Corporation | L-1011-385-1-14 | LOCKHEED-CALIFORNIA COMPANY Model L-1011 Series Airplanes |
| aircraft | Lockheed Martin Corporation | L-1011-385-1-15 | LOCKHEED-CALIFORNIA COMPANY Model L-1011 Series Airplanes |
| aircraft | Lockheed Martin Corporation | L-1011-385-3 | LOCKHEED-CALIFORNIA COMPANY Model L-1011 Series Airplanes |
Unsafe Condition
Fuel leakage of specified Whittaker fuel shut-off valves could result in fire hazard.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify Whittaker fuel shut-off valves (12 per airplane) identified in Lockheed Service Bulletin 093-28-062 Revision 1 dated August 20, 1980. Special flight permits may be obtained to operate to a base for compliance. Alternative actions approved by the Chief, Los Angeles Area Aircraft Certification Office may be used.
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Compliance Time
Within 600 hours' time in service from the effective date of this AD
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Affected Aircraft
Lockheed-California Company Model L-1011 series airplanes certificated in all categories
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Fuel Shut-Off Valves
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_80-25-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 80-25-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED-CALIFORNIA COMPANY Model L-1011 Series Airplanes Subject: Fuel Shut-Off Valves Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/02/1981 Make: Lockheed Martin Corporation Model: L-1011-385-1 | L-1011-385-1-14 | L-1011-385-1-15 | L-1011-385-3 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 80-25-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3983 AD NUMBER: 80-25-04 SUBJECT HEADING: LOCKHEED-CALIFORNIA COMPANY Model L-1011 Series Airplanes ACTION: SUMMARY: DATES: Effective January 2, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 80-25-04 LOCKHEED-CALIFORNIA COMPANY: Amendment 39-3983. Applies to Model L-1011 series airplanes certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent fuel leakage of specified fuel shut-off valves which could result in fire hazard accomplish the following: (a) Within 600 hours' time in service from the effective date of this AD, modify Whittaker fuel shut-off valves (12 per airplane) identified in paragraph 2.A of Lockheed Service Bulletin 093-28-062 Revision 1 dated August 20, 1980 by the dated May 20, 1980. Valve assemblies with a gold anodized valve cover have been previously reworked and do not require further modification per this AD. (b) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections required by this AD. (c) Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Los Angeles Area Aircraft Certification Office, FAA Northwest Region. The manufacturers specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer, may obtain copies upon request to Lockheed-California Company, P.O. Box 551, Burbank, California 91520, Attention: Commercial Support Contracts. These documents may also be examined at FAA Northwest Region, 9010 East Marginal Way South, Seattle, Washington 98108 or 15000 Aviation Boulevard, Hawthorne, California 90261, Room 6W14. This amendment becomes effective January 2, 1981. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_80-25-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 80-25-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED-CALIFORNIA COMPANY Model L-1011 Series Airplanes Subject: Fuel Shut-Off Valves Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/02/1981 Make: Lockheed Martin Corporation Model: L-1011-385-1 | L-1011-385-1-14 | L-1011-385-1-15 | L-1011-385-3 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: 80-25-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3983 AD NUMBER: 80-25-04 SUBJECT HEADING: LOCKHEED-CALIFORNIA COMPANY Model L-1011 Series Airplanes ACTION: SUMMARY: DATES: Effective January 2, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 80-25-04 LOCKHEED-CALIFORNIA COMPANY: Amendment 39-3983. Applies to Model L-1011 series airplanes certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent fuel leakage of specified fuel shut-off valves which could result in fire hazard accomplish the following: (a) Within 600 hours' time in service from the effective date of this AD, modify Whittaker fuel shut-off valves (12 per airplane) identified in paragraph 2.A of Lockheed Service Bulletin 093-28-062 Revision 1 dated August 20, 1980 by the dated May 20, 1980. Valve assemblies with a gold anodized valve cover have been previously reworked and do not require further modification per this AD. (b) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections required by this AD. (c) Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Los Angeles Area Aircraft Certification Office, FAA Northwest Region. The manufacturers specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer, may obtain copies upon request to Lockheed-California Company, P.O. Box 551, Burbank, California 91520, Attention: Commercial Support Contracts. These documents may also be examined at FAA Northwest Region, 9010 East Marginal Way South, Seattle, Washington 98108 or 15000 Aviation Boulevard, Hawthorne, California 90261, Room 6W14. This amendment becomes effective January 2, 1981. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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