AD 96-03-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-400 Series | Airworthiness Directives; Boeing Model 747-400 Series Airplanes |
| aircraft | The Boeing Company | 747-400D Series | Airworthiness Directives; Boeing Model 747-400 Series Airplanes |
| aircraft | The Boeing Company | 747-400F Series | Airworthiness Directives; Boeing Model 747-400 Series Airplanes |
Unsafe Condition
Chafing and shorting of the fuel shutoff valve wiring in the engine struts could result in the pilot's inability to shut off the supply of fuel in the event of an engine fire.
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Required Actions
Replace the fuel shutoff valve wire and sleeve with a wire in two non-metallic sleeves in the conduit in the struts of each engine, in accordance with Boeing Alert Service Bulletin 747-28A2186. Compliance may be adjusted if approved by the FAA Manager, Seattle Aircraft Certification Office.
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Compliance Time
Within 12 months after the effective date of this AD (March 22, 1996).
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Affected Aircraft
Boeing Model 747-400 Series airplanes; line positions 696 through 1046 inclusive, except airplane variable numbers RT502 and RU032 (airplane serial numbers 24062 and 25780, respectively).
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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