AD 97-18-05
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
Fatigue cracking of the midspar fuse pins could lead to separation of the strut and engine from the wing of the airplane.
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Required Actions
Conduct earlier initial inspections and replacements; perform more frequent repetitive inspections of certain fuse pins; replace cracked refinished straight fuse pins with new straight or 15-5PH fuse pins. Bulkhead fuse pins must be replaced with new 15-5PH fuse pins and within 3,000 flight cycles after April 10, 1996.
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Compliance Time
Effective September 17, 1997.
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Affected Aircraft
Boeing Model 757-200, 757-200CB, 757-200PF, and 757-300 series airplanes equipped with Pratt & Whitney engines (all serial numbers).
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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