AD 97-03-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | Airworthiness Directives; Boeing Model 747 and 757 Series Airplanes |
| aircraft | The Boeing Company | 747-100B Series | Airworthiness Directives; Boeing Model 747 and 757 Series Airplanes |
| aircraft | The Boeing Company | 747-100B SUD Series | Airworthiness Directives; Boeing Model 747 and 757 Series Airplanes |
| aircraft | The Boeing Company | 747-200B Series | Airworthiness Directives; Boeing Model 747 and 757 Series Airplanes |
| aircraft | The Boeing Company | 747-200C Series | Airworthiness Directives; Boeing Model 747 and 757 Series Airplanes |
| aircraft | The Boeing Company | 747-200F Series | Airworthiness Directives; Boeing Model 747 and 757 Series Airplanes |
| aircraft | The Boeing Company | 747-300 Series | Airworthiness Directives; Boeing Model 747 and 757 Series Airplanes |
| aircraft | The Boeing Company | 747-400 Series | Airworthiness Directives; Boeing Model 747 and 757 Series Airplanes |
| aircraft | The Boeing Company | 747-400D Series | Airworthiness Directives; Boeing Model 747 and 757 Series Airplanes |
| aircraft | The Boeing Company | 747-400F Series | Airworthiness Directives; Boeing Model 747 and 757 Series Airplanes |
Unsafe Condition
Corrosion of the wire terminal assembly, electrical connector, and wire insulation on the fuel pump can cause fuel leaks at the fuel boost and override/jettison pumps, which could result in a fire at the location of the affected fuel pump.
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Required Actions
Conduct repetitive visual inspections to detect discrepancies of the wire terminal assembly, electrical connector, and wire insulation on the fuel pump; replace the fuel pump with a new one if necessary; and perform repetitive insulation resistance tests of the fuel pump wiring.
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Compliance Time
within 120 days after the effective date of this AD
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Affected Aircraft
All Boeing Model 747 and 757 series airplanes, including all serial numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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