AD 92-21-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-100 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-200 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-200C Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-300 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-400 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-500 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-600 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-700 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-800 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
Unsafe Condition
Cargo door opening in flight could result in rapid decompression of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify and test the main deck cargo door lock, viewing windows, and warning indication system in accordance with Section III of Boeing Service Bulletin 737-52-1060 dated June 11, 1976. An alternative method of compliance or adjustment of compliance time may be used if approved by the Manager, Seattle Aircraft Certification Office.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 2 years after the effective date of this AD
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Affected Aircraft
Model 737 series airplanes as listed in Boeing Service Bulletin 737-52-1060 dated June 11, 1976, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Main Deck Cargo Door
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_92-21-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 92-21-04 Document Type: AD Final Rules Docket Number: 92-NM-18-AD Subject Heading: Airworthiness Directives; BOEING Model 737 Series Airplanes Subject: Main Deck Cargo Door Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/24/1992 Make: The Boeing Company Model: 737-100 Series | 737-200 Series | 737-200C Series | 737-300 Series | 737-400 Series | 737-500 Series...Show more 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: 92-21-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 92-NM-18-AD AMENDMENT: 39-8384 AD NUMBER: 92-21-04 SUBJECT HEADING: Airworthiness Directives; BOEING Model 737 Series Airplanes ACTION: SUMMARY: DATES: Effective November 24, 1992. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 92-21-04 BOEING: Amendment 39-8384. Docket No. 92-NM-18-AD. Applicability: Model 737 series airplanes; as listed in Boeing Service Bulletin 737-52-1060, dated June 11, 1976; certificated in any category. Compliance: Required as indicated, unless accomplished previously. To prevent a cargo door from opening in flight, which could result in rapid decompression of the airplane, accomplish the following: (a) Within 2 years after the effective date of this AD, modify and test the main deck cargo door lock, viewing windows, and warning indication system, in accordance with Section III of Boeing Service Bulletin 737-52-1060, dated June 11, 1976. (b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Seattle ACO. NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Seattle ACO. (c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished. (d) The modification and test shall be done in accordance with of Boeing Service Bulletin 737-52-1060, dated June 11, 1976. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Boeing Commercial Airplane Group, P.O. Box 3707, Seattle, Washington 98124-2207. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (e) This amendment becomes effective on November 24, 1992. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_92-21-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 92-21-04 Document Type: AD Final Rules Docket Number: 92-NM-18-AD Subject Heading: Airworthiness Directives; BOEING Model 737 Series Airplanes Subject: Main Deck Cargo Door Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/24/1992 Make: The Boeing Company Model: 737-100 Series | 737-200 Series | 737-200C Series | 737-300 Series | 737-400 Series | 737-500 Series...Show more 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: 92-21-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 92-NM-18-AD AMENDMENT: 39-8384 AD NUMBER: 92-21-04 SUBJECT HEADING: Airworthiness Directives; BOEING Model 737 Series Airplanes ACTION: SUMMARY: DATES: Effective November 24, 1992. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 92-21-04 BOEING: Amendment 39-8384. Docket No. 92-NM-18-AD. Applicability: Model 737 series airplanes; as listed in Boeing Service Bulletin 737-52-1060, dated June 11, 1976; certificated in any category. Compliance: Required as indicated, unless accomplished previously. To prevent a cargo door from opening in flight, which could result in rapid decompression of the airplane, accomplish the following: (a) Within 2 years after the effective date of this AD, modify and test the main deck cargo door lock, viewing windows, and warning indication system, in accordance with Section III of Boeing Service Bulletin 737-52-1060, dated June 11, 1976. (b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Seattle ACO. NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Seattle ACO. (c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished. (d) The modification and test shall be done in accordance with of Boeing Service Bulletin 737-52-1060, dated June 11, 1976. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Boeing Commercial Airplane Group, P.O. Box 3707, Seattle, Washington 98124-2207. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (e) This amendment becomes effective on November 24, 1992. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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