AD 65-06-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | BOEING Models 707 and 720 Aircraft |
| aircraft | The Boeing Company | 707-100B Long Body | BOEING Models 707 and 720 Aircraft |
| aircraft | The Boeing Company | 707-100B Short Body | BOEING Models 707 and 720 Aircraft |
| aircraft | The Boeing Company | 707-200 | BOEING Models 707 and 720 Aircraft |
| aircraft | The Boeing Company | 707-300 Series | BOEING Models 707 and 720 Aircraft |
| aircraft | The Boeing Company | 707-300B Series | BOEING Models 707 and 720 Aircraft |
| aircraft | The Boeing Company | 707-300C Series | BOEING Models 707 and 720 Aircraft |
| aircraft | The Boeing Company | 707-400 Series | BOEING Models 707 and 720 Aircraft |
| aircraft | The Boeing Company | 720 Series | BOEING Models 707 and 720 Aircraft |
| aircraft | The Boeing Company | 720B Series | BOEING Models 707 and 720 Aircraft |
Unsafe Condition
Cracks have been discovered in the aft elevator control quadrant, P/N 50-3119, around the upper two bolts, P/N NAS 1105, attaching the quadrant to the elevator control torque tube due to interference fit between the quadrant and torque tube.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 600 hours' time in service after the effective date, inspect the quadrant using eddy current or fluorescent dye penetrant per Service Bulletin No. 2029. If cracks are found, replace the quadrant before further flight. Within 6,000 hours' time in service, perform rework and dimensional checks per Service Bulletin 2029. Repetitive inspections every 1,200 hours' time in service are required until rework is done.
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Compliance Time
Within the next 600 hours' time in service after the effective date of this AD, unless already accomplished within the last 600 hours' time in service, and thereafter at periods not to exceed 1,200 hours' time in service from the last inspection
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Affected Aircraft
Boeing Models 707 and 720 Aircraft with serial numbers listed in Boeing Service Bulletin No. 2029.
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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