AD 65-15-02
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
Fatigue cracks have occurred in the lower flanges and web of the outboard flap center carriage, and at the aft attachment of the cam to the lower flange on one carriage half. Complete rupture of a carriage can cause the loss of a flap in flight.
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Required Actions
Inspect flap carriages for cracks in accordance with Boeing Service Bulletin No. 1822 (R-2) within specified landing intervals. Replace or rework cracked carriages before further flight. Conduct one-time inspections of reworked drain holes within 250 hours' time in service if previously modified.
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Compliance Time
Within the next 25 landings after August 1, 1965, for carriages with 4,000+ landings, or before 4,025 landings for those with fewer landings. Repetitive inspections every ≤200 landings. One-time inspection within 250 hours' time in service. Replace/rework before further flight if cracks found.
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Affected Aircraft
Boeing Models 707-100, -100B, -200, -300, -300B, -300C, -400, 720, and 720B Series aircraft listed in Boeing Service Bulletin No. 1822 (R-2).
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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