Wired

During a routine inspection, the technician noted the strobe lights would remain on after the switch was selected off. Troubleshooting revealed the switch to be defective. Removing and disassembling the switch revealed the solder joint holding the braided wire had broken and welded itself to the line post. Switch was replaced IAW AD 2008-13-17 in May 2009.

Editorial Staff

Monday, November 21, 2016 at 12:00 AM ET

Verified

Key Takeaways:

A recurring theme across various aircraft models is system failure due to compromised wiring, including chafing, improper crimping, and broken connections.
These wiring issues impact a wide range of systems, from basic components like strobe lights and alternators to critical avionics, engine control units, and landing gear indicators.
Faulty installation, inadequate securing, or lack of protection for wiring are frequently identified as root causes contributing to these malfunctions.