AD 74-16-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | L-1011-385-1 | LOCKHEED Model L-1011-385-1 Series Aircraft |
Unsafe Condition
A single failure could cause a cargo door to open during takeoff roll.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Accomplish modification as described in Lockheed Service Bulletin 093-52-045 dated October 18, 1973, or later FAA-approved revisions, or equivalent modifications approved by the Chief, Aircraft Engineering Division, FAA Western Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 1,800 hours additional time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Lockheed Model L-1011-385-1 series aircraft with Lockheed serial numbers 1002 through 1066, certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Cargo Doors
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_74-16-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-16-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model L-1011-385-1 Series Aircraft Subject: Cargo Doors Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/11/1974 Make: Lockheed Martin Corporation Model: L-1011-385-1 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 74-16-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1909 AD NUMBER: 74-16-07 SUBJECT HEADING: LOCKHEED Model L-1011-385-1 Series Aircraft ACTION: SUMMARY: DATES: Effective September 11, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-16-07 LOCKHEED: Amendment 39-1909. Applies to Model L-1011-385-1 series aircraft with Lockheed serial numbers 1002 through 1066, certificated in all categories. Compliance required within 1,800 hours additional time in service after the effective date of this AD, unless already accomplished. To prevent a single failure from causing a cargo door to open during takeoff roll, accomplish one of the following: (a) Modification as described in Lockheed Service Bulletin 093-52-045 dated October 18, 1973, or later FAA-approved revisions. (b) Equivalent modifications, approved by the Chief, Aircraft Engineering Division, FAA Western Region. Aircraft may be flown to a base where maintenance may be performed per FAR's 21.197 and 21.199. This amendment becomes effective September 11, 1974. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_74-16-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 74-16-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model L-1011-385-1 Series Aircraft Subject: Cargo Doors Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/11/1974 Make: Lockheed Martin Corporation Model: L-1011-385-1 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 74-16-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1909 AD NUMBER: 74-16-07 SUBJECT HEADING: LOCKHEED Model L-1011-385-1 Series Aircraft ACTION: SUMMARY: DATES: Effective September 11, 1974. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 74-16-07 LOCKHEED: Amendment 39-1909. Applies to Model L-1011-385-1 series aircraft with Lockheed serial numbers 1002 through 1066, certificated in all categories. Compliance required within 1,800 hours additional time in service after the effective date of this AD, unless already accomplished. To prevent a single failure from causing a cargo door to open during takeoff roll, accomplish one of the following: (a) Modification as described in Lockheed Service Bulletin 093-52-045 dated October 18, 1973, or later FAA-approved revisions. (b) Equivalent modifications, approved by the Chief, Aircraft Engineering Division, FAA Western Region. Aircraft may be flown to a base where maintenance may be performed per FAR's 21.197 and 21.199. This amendment becomes effective September 11, 1974. 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
2023-10-02
final ruleAirworthiness Directives; Transport and Commuter Category Airplanes
Unsafe Condition: Radio altimeter anomalies that are undetected by the automation or pilot, particularly close to the ground (e.g., landing flare), could lead to loss of continued safe flight and landing. Additional...
2015-11-02 Recurring
final ruleAirworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes
Unsafe Condition: Simultaneous failure of multiple stringer end fittings through fatigue cracking at the aft pressure bulkhead, which could lead to rapid decompression of the airplane.
2014-20-08 Recurring
final ruleAirworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes
Unsafe Condition: Cracked rib cap castellations, which could degrade the structural capabilities of the airplane.
2013-15-18 Recurring
final ruleAirworthiness Directives; Lockheed Martin Corporation/Lockheed Martin Aeronautics Company Airplanes
Unsafe Condition: Reports of small cracks in additional areas outside those addressed in AD 2005-15-01, prior to the inspection threshold required by AD 2005-15-01. Corrosion or fatigue cracking of certain structura...