AD 62-02-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Long Body | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Short Body | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-200 | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300 Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300B Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-300C Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 707-400 Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 720 Series | BOEING Models 707 and 720 Series Airplanes |
| aircraft | The Boeing Company | 720B Series | BOEING Models 707 and 720 Series Airplanes |
Unsafe Condition
Leakage through the secondary seal of the fuel dump chute when fuel enters the manifold.
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Required Actions
Remove the secondary fuel seal assembly (Boeing P/N 66-2538), rebuild using new parts from Boeing kit P/N 65-9566-1, install new O-ring seal P/N MS29513-238, and change the part number to 69-16258-1.
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Compliance Time
within 3,250 hours' time in service after the effective date of this directive
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Affected Aircraft
Boeing Models 707 and 720 Series airplanes not previously modified per Service Bulletin No. 1359 and Model 707 airplanes with retractable dump chutes installed per Service Bulletin No. 1200.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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