AD 64-12-01
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
Inadvertent inflight reversals caused by snap action closing of the throttles to the idle position.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Rerig the throttle control system within 500 hours' time in service. Inspect the strut mounted bracket and modify the cam rocker arm and thrust reverser directional control valve cam assembly within 2,500 hours' time in service. Ensure compatibility between modified parts as specified.
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Compliance Time
Within 500 hours' time in service after the effective date of this AD and within 2,500 hours' time in service after the effective date of this AD.
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Affected Aircraft
Boeing Models 707 and 720 Series Aircraft equipped with Pratt & Whitney JT3D-1, -3 or -3B engines.
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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