As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING THE FLIGHT THE PILOT REPORTED SMOKE FROM UNDER THE INSTRUMENT PANEL. UPON INSPECTION IT WAS DISCOVERED THE LANDING LIGHT SWITCH HAD OVERHEATED, PARTIALLY MELTING. THESE SWITCHES HAVE A MANDATORY REPLACEMENT LIFE OF 48 MONTHS. THE FAILED SWITCH WAS DUE TO FOR REPLACEMENT AUGUST 16, 2020 (TC# 20190311024)