Feeling The Heat?

Editorial Staff

Friday, January 21, 2022 at 12:27 PM ET

Verified

Key Takeaways:

Aircraft heating system malfunctions frequently led to smoke, fumes, or burning odors in the cabin, prompting emergency declarations and returns.
Incidents involved a range of issues including dislodged heater pads, shorted windshield heating grids, and severe overheating with failed thermal protection or circuit breakers.
Specific component failures highlighted include breached cabin heater combustion liners, which in one case was a recurring manufacturer defect, and failed Angle-of-Attack (AOA) sensor heating elements.

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Editorial Staff