AD 70-10-05
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
Cracks in crank arm 65-7195 and pulley bracket 69-1087 and insufficient cable tension in the emergency extension system.
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Required Actions
Inspect crank arm 65-7195 and pulley bracket 69-1087 for cracks, measure cable tension per maintenance manual instructions, and modify airplanes with Boeing Service Bulletins 2108 Revision I or 2108A within 2500 hours time in service.
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Compliance Time
Within 200 hours time in service after the effective date of this AD and after each emergency extension for inspections; modifications must be completed within 2500 hours time in service after effective date.
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Affected Aircraft
Boeing Model 707 and 720 series airplanes listed in Boeing Service Bulletin 2108 Revision I dated 28 December 1965.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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