As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE SMOKE WAS PRESENT FROM THE LEFT VOR/DME SELECTOR PANEL, PERFORMED CHECK LIST AND SITUATION WAS CONTROLLED.CORRECTIVE ACTION:WAS UNCLOGGED EQUIPMENT COOLING LINE OF VOR CONTROL PANEL AND REPLACED VOR CONTROL PANEL IAW AMM 34-51-02 PAGE 201