AD Amdt-39-10522

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes

AD Number
Amdt-39-10522
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-111-AD
FR Citation
63 FR 26063

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747 and 767 Airworthiness Directives; Boeing Model 747 and 767 Series Airplanes

Unsafe Condition

Missing Teflon sleeves over certain electrical wires inside fuel tanks could allow wiring insulation chafing, exposing electrical conductors and creating potential for arcing to the conduit and 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. Install missing sleeves and perform corrective actions as necessary.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Boeing Model 747 and 767 series airplanes with certain electrical wires in fuel tanks lacking Teflon sleeves.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for Boeing 747 and 767

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