As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STT - THE CAPTAIN'S VOR/DME SELECTOR REPORTED BY CREW TO HAVE ELECTRICAL SHORT. PANEL HAD SMOKE AND ODOR FROM FRONT OF UNIT. CREW REPORT: CREW REMOVED MAN/AUTO SWITCH AND PROBLEM STOPPED. MAINTENANCE FOUND A LIGHT BULB AT THE BOTTOM OF THE SWITCH. REPLACED THE LEFT VOR CONTROL PANEL.