AD 94-14-04
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
Cracking in the lower spar chord of the engine strut, which could result in the inability of the strut to carry required engine support loads and ultimately lead to engine separation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform an eddy current inspection to detect cracking of the lower chord within 60 days after the effective date. Remove stiffener straps from the mid-chord and inspect fastener holes if no cracking is found, followed by modification per service bulletin. Repair detected cracking with FAA-approved methods if found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 60 days after the effective date (July 21, 1994), and prior to further flight or specified landing cycles as outlined.
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Affected Aircraft
Boeing Model 757 series airplanes with line numbers 2, 4, 5, 9 through 13 inclusive, 21, 26, 114, and 115.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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