AD 93-14-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-200 Series | Airworthiness Directives; BOEING Model 737-200 and -300 Series Airplanes |
| aircraft | The Boeing Company | 737-300 Series | Airworthiness Directives; BOEING Model 737-200 and -300 Series Airplanes |
Unsafe Condition
Development of undetected frame cracking adjacent to the aft lower cargo door, which could result in rapid loss of cabin pressure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct a close visual inspection of forward and aft body frames adjacent to the aft lower cargo door per Boeing Service Bulletin 737-53-1096 revisions. Repeat inspections at intervals not exceeding 4,000 landings. If cracks are found, modify/repair per the service bulletin or temporarily repair per SRM until permanent modification. After modification/repair, conduct detailed inspections prior to 28,000 landings post-action and every 4,000 landings thereafter.
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Compliance Time
Prior to the accumulation of 20,000 landings, or within 1,000 landings after December 17, 1987, whichever occurs later, unless previously accomplished within the last 3,000 landings prior to December 17, 1987.
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Affected Aircraft
Boeing Model 737-200 and -300 series airplanes, line numbers 6 through 1204, inclusive; certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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