AD 65-14-03
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
Failure of the nose gear drag brace lock rod upper attachment bolt P/N BAC B30ABP6-37 due to fatigue, which could result in the nose gear remaining retracted during landing.
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Required Actions
Replace bolt P/N BAC B30ABP6-37 with a new bolt of the same part number or approved substitutes (Standard Pressed Steel Company SFH 22-6-35, Voi-Shan Mfg. Co. VS 2545H6F35T) within specified timeframes. Repetitive replacement required every 6,000 hours' time in service unless using approved substitutes.
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Compliance Time
Within 600 hours' time in service after the effective date (July 23, 1965) for bolts with 5,400+ hours' time in service on the effective date; prior to 6,000 hours' time in service for bolts with less than 5,400 hours' time in service on the effective date.
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Affected Aircraft
Boeing Models 707 and 720 Series Aircraft noted in Boeing Service Bulletin No. 2073(R-1)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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