AD 91-18-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 757-200 Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200CB Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200PF Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-300 Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
Unsafe Condition
An unexpectedly powered door opening and escape slide deployment when ground personnel open from the outside an armed passenger door with a broken disarm cable.
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Required Actions
Inspect passenger doors 1, 2, and 4 for clearance between disarm cable and pin. If clearance is less than 0.010 inch, inspect cable for damage or breakage. Replace damaged or broken cables, grind cable ends if undamaged, and reinstall. Functionally test doors. For doors 4, disconnect cable from disarm lever, inspect, replace if damaged, grind and reinstall if undamaged, then test. Comply with Boeing Service Bulletin 757-52-0052, Rev 1.
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Compliance Time
within the next 90 days after the effective date of this AD, unless previously accomplished
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Affected Aircraft
Boeing Model 757 series airplanes listed in Boeing Service Bulletin 757-52-0052, Rev 1, dated June 20, 1991, 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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