AD 98-10-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes |
| aircraft | The Boeing Company | 747-100B Series | Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes |
| aircraft | The Boeing Company | 747-100B SUD Series | Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes |
| aircraft | The Boeing Company | 747-200B Series | Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes |
| aircraft | The Boeing Company | 747-200C Series | Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes |
| aircraft | The Boeing Company | 747-200F Series | Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes |
| aircraft | The Boeing Company | 747-300 Series | Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes |
| aircraft | The Boeing Company | 747-400 Series | Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes |
| aircraft | The Boeing Company | 747-400D Series | Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes |
| aircraft | The Boeing Company | 747-400F Series | Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes |
Unsafe Condition
Missing Teflon sleeves over electrical wires inside conduits in fuel tanks could result in chafing of the wire insulation, exposing the electrical conductor and creating the potential for arcing from the wire to the conduit, leading to fuel tank fire/explosion.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct a one-time inspection to confirm installation of Teflon sleeves over specified electrical wires in fuel tank conduits; install sleeves if missing, repair or replace damaged wiring and conduits, and submit reports to the FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 60 days
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747 and 767 series airplanes, including specific variants such as 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, and others as listed in the AD.
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
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