AD 95-17-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | Airworthiness Directives; Boeing Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Long Body | Airworthiness Directives; Boeing Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Short Body | Airworthiness Directives; Boeing Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-200 | Airworthiness Directives; Boeing Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300 Series | Airworthiness Directives; Boeing Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300B Series | Airworthiness Directives; Boeing Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300C Series | Airworthiness Directives; Boeing Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-400 Series | Airworthiness Directives; Boeing Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 720 Series | Airworthiness Directives; Boeing Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 720B Series | Airworthiness Directives; Boeing Model 707 and 720 Series Airplanes |
Unsafe Condition
Fatigue cracking and subsequent failure of the upper forward skin panels of the wing center section.
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Required Actions
Perform repetitive visual and eddy current inspections to detect cracks in the upper forward skin panels of the wing center section, repair if necessary. Optional terminating modification is available by installing reinforcing stiffeners and replacing the forward skin panel as specified in approved service bulletins.
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Compliance Time
Required as indicated, unless accomplished previously.
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Affected Aircraft
Boeing Model 707 and 720 series airplanes as listed in Boeing Service Bulletin 2590, Revision 11, dated December 12, 1991.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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