AD 64-10-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | BOEING Models 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-100B Long Body | BOEING Models 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-100B Short Body | BOEING Models 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-200 | BOEING Models 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-300 Series | BOEING Models 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-300B Series | BOEING Models 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-300C Series | BOEING Models 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-400 Series | BOEING Models 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 720 Series | BOEING Models 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 720B Series | BOEING Models 707 and 720 Series Aircraft |
Unsafe Condition
Cracks in the stabilizer center section rear spar fitting can lead to failure of the rear stabilizer attach pins or holes in fitting lugs.
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Required Actions
Inspect pins and holes in fitting lugs for cracks using magnetic particle or dye penetrant method. Clean corrosion, replace cracked parts before flight. Ream terminal fittings, install bushings per SB No. 942. Inspections required at specified intervals with regreasing and cadmium plating requirements.
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Compliance Time
Within 125 hours' time in service after May 2, 1964 (except serials 17658-17690: within 125 hours after AD effective date) and subsequent intervals as specified.
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Affected Aircraft
Boeing Models 707 and 720 Series Aircraft, serial numbers 17586-17628, 17630-17632, 17634-17640, 17642-17652, 17658-17690, 17692-17710, 17718-17720, 17722-17724, 17903-17906, 17908-17930, 18012-18019, with Boeing Service Bulletin No. 942 or FAA-approved equivalent not accomplished.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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