AD 92-21-04

final rule
Data completeness: 70%

Airworthiness Directives; BOEING Model 737 Series Airplanes

AD Number
92-21-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
92-NM-18-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

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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.

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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.

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.

View Official Source ↗ Find More ADs for The Boeing Company 737-100 Series

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2004-03-34 R1

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Airworthiness Directives; Boeing Model 737-100, -200, -200C, - 300, -400, and -500 Series Airplanes

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