Switch Problems

Editorial Staff

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

Verified

Key Takeaways:

Multiple aircraft experienced diverse switch failures affecting critical systems like landing gear operation, various lights (landing, nav, taxi), and cabin heating.
Switch malfunctions manifested as operational issues such as flickering lights, stuck or intermittent switches, and in several cases, more serious signs like smoke, burning smells, or arcing.
Resolution typically involved adjusting or replacing the defective switch, sometimes along with associated wiring repairs.
Despite these component failures, all reported incidents concluded safely, highlighting effective pilot action and maintenance responses.

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