The U.S. aircraft register, updated daily
FAA orders · airworthiness directive · current

46-39-03: Magneto Wires

FAA order 46-39-03 is an airworthiness directive. The FAA's subject line: Magneto Wires. It names Douglas C-54: about 7 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: engine.

What it applies to as the FAA lists it

Kind of product
Aircraft
Makes
The Boeing Company
Models
C54-DC, C54A-DC, C54B-DC, C54D-DC, C54E-DC, C54G-DC
On this site
Douglas C-54 7 registered

Dates and paperwork

Docket
Unknown
Status
Current
The FAA's document
Read the order on the FAA's site

The order itself the regulatory text, as published

Show the full text (233 characters)
46-39-03 DOUGLAS: (Was Service Note 2 of AD-762-7.) Applies to C-54 Series Aircraft. \n\n\tPending accomplishment of AD 46-24-02, the magneto wires forward of the firewall must be inspected for chafing each 100 hours of operation.

Related safety bulletins advice on the same designs, not orders

2014-11-24NM-15-03 · Flight Controls

Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 6, 2026. Connections as data: /graph/directive/46-39-03.json · aircraft systems.