As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN FLIGHT DECK, ATB SMOKE COMING FROM BEHIND F/E PANEL. REMOVED 2 FUSES AND SMOKE DISSIPATED. FOUND 2 WIRES BROKEN OF P1-509 OF TI-19 REPAIRED AND REINSTALLED WIRES L120A20 & L94A-20. ALSO T/S PROBLEM TO DEFECTIVE TRANSFORMER TI-37.