As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, CREW REPORTED SMOKE AND FUMES IN THE COCKPIT. ACFT DIVERTED AND, AFTER LANDING, CREW REPORTED SMOKE DISSIPATED WHEN CTR PEDESTAL LIGHTS WERE EXTINGUISHED. MAINTENANCE FOUND THE INSTRUMENT PANEL DIMMER OUTPUT INCORRECT AND THE ALTITUDE AWARENESS PANEL FAILED.