AD 92-25-09
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
Corrosion or delamination in circumferential skin butt splices and bonded internal doublers around skin cutouts could lead to fuselage structural failure and decompression.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform external close visual inspections for corrosion or delamination in specified fuselage areas per Boeing Service Bulletin 737-53-1076. Inspections must be repeated at intervals not exceeding 4,500 flight cycles or 15 months. Repairs must be made prior to further flight if corrosion exceeds 10% material loss or cracks/delamination are found. Alternative methods of compliance may be approved by FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Compliance required within specified intervals starting from the AD effective date January 12, 1993. Initial inspections must be conducted within 4,500 flight cycles or 15 months after effective date.
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
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