AD 96-08-05
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
Fracturing of the coupling nut on the fuel tube on the outboard strut (engine position 1) could result in release of fuel onto the engine cowling and a subsequent fire.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the strut fuel tubes and couplings at engine numbers 1 and 4 with new redesigned (shrouded) couplings, or install new fuel lines, shrouded fuel line couplings, and drain lines on engine positions 1 and 4 in accordance with specified service bulletins.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 24 months after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747-400 series airplanes powered by General Electric CF6-80C2 or Pratt & Whitney PW4000 series engines, as identified in Boeing Alert Service Bulletin 747-28A2185 and Service Bulletin 747-28-2146.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.