AD 70-07-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | BOEING Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Long Body | BOEING Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Short Body | BOEING Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-200 | BOEING Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300 Series | BOEING Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300B Series | BOEING Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300C Series | BOEING Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-400 Series | BOEING Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 720 Series | BOEING Model 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 720B Series | BOEING Model 707 and 720 Series Airplanes |
Unsafe Condition
Walkway panel failures between body stations 344 and 352.
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Required Actions
Inspect left-hand and right-hand walkway panels in accordance with Boeing Service Bulletin 2961, Revision 1. Perform preventative modification or reinspections at specified flight intervals if no cracks are found. If cracks are found, perform the preventative modification before further flight.
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Compliance Time
Within the next 50 hours' time in service after the effective date (March 28, 1970) for aircraft with 14,000 or more flights. Aircraft with less than 14,000 flights must be inspected after 13,000 flights but no later than 50 hours' time in service after reaching 14,000 flights.
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Affected Aircraft
Boeing Model 707 and 720 Series airplanes listed in Boeing Service Bulletin No. 2961, Revision 1, or later FAA-approved revisions.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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