AD 67-10-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | BOEING Model 707-100 Series, 707-200 Series, and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Long Body | BOEING Model 707-100 Series, 707-200 Series, and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Short Body | BOEING Model 707-100 Series, 707-200 Series, and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-200 | BOEING Model 707-100 Series, 707-200 Series, and 720 Series Airplanes |
| aircraft | The Boeing Company | 720 Series | BOEING Model 707-100 Series, 707-200 Series, and 720 Series Airplanes |
| aircraft | The Boeing Company | 720B Series | BOEING Model 707-100 Series, 707-200 Series, and 720 Series Airplanes |
Unsafe Condition
Cracks in the wing skin and horizontal legs of the splice angle and chord members at Wing Station 304.93 rear spar upper chord splice.
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Required Actions
Inspect for cracks using visual and ultrasonic/x-ray methods per Boeing Service Bulletin 2177(R-2) or approved methods. Repair or modify cracked parts before further flight using specified procedures from the service bulletin or approved methods. Perform preventive modifications or inspections at specified intervals based on time-in-service thresholds.
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Compliance Time
Compliance required as indicated.
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Affected Aircraft
Boeing Model 707-100 Series, 707-200 Series, and 720 Series airplanes listed in Boeing Service Bulletin No. 2177(R-2).
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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