AD 96-11-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-200B Series | Airworthiness Directives; Boeing Model 747-200, -300, and -400 Series Airplanes |
| aircraft | The Boeing Company | 747-200C Series | Airworthiness Directives; Boeing Model 747-200, -300, and -400 Series Airplanes |
| aircraft | The Boeing Company | 747-200F Series | Airworthiness Directives; Boeing Model 747-200, -300, and -400 Series Airplanes |
| aircraft | The Boeing Company | 747-300 Series | Airworthiness Directives; Boeing Model 747-200, -300, and -400 Series Airplanes |
| aircraft | The Boeing Company | 747-400 Series | Airworthiness Directives; Boeing Model 747-200, -300, and -400 Series Airplanes |
| aircraft | The Boeing Company | 747-400D Series | Airworthiness Directives; Boeing Model 747-200, -300, and -400 Series Airplanes |
| aircraft | The Boeing Company | 747-400F Series | Airworthiness Directives; Boeing Model 747-200, -300, and -400 Series Airplanes |
Unsafe Condition
Chafing of the fuel line in the strut of the number 1 and 4 engines due to a high profile clamp could result in rupture of the fuel line and subsequent in-flight engine fire.
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Required Actions
Modify the upper gap area of the strut of the number 1 and 4 engines in accordance with Boeing Service Bulletin 747-36A2097, Revision 3, dated September 28, 1995.
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Compliance Time
Within 6 months after the effective date of this AD
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Affected Aircraft
Model 747-200, -300, and -400 series airplanes having line positions 679 through 1041 inclusive; equipped with General Electric Model CF6-80C2 PMC and CF6-80C2 FADEC, and Pratt & Whitney Model PW4000 engines; certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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