Switch Problems

Editorial Staff

Monday, October 25, 2021 at 10:38 AM ET

Verified

Key Takeaways:

Multiple aircraft types experienced malfunctions with various switches, affecting systems such as landing gear, landing lights, navigation lights, taxi lights, and cabin heat.
Observed issues ranged from minor problems like flickering indicator lights and stuck switches to more serious incidents involving intermittent operation, smoke, burning smells, and electrical shorts.
The root causes for these failures included maladjustment, internal arcing, welding of contacts, or burned terminals, consistently requiring switch adjustment or replacement.

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