What was found
(CAN) DURING CRUISE FLT AT FL210, THE FLIGHT CREW DETECTED AND ODOR FOLLOWED BY SMOKE EMANATING FROM THE DASH AREA. THEY DONNED MASKS AND REQUESTED PRIORITY LANDING . THEY RAN THRU THEIR EMERGENCY PROCEDURES AND AFTER THE WINDSHIELD HEAT WAS SELECTED OFF THE SMOKE DISSIPATED. AN UNEVENTFUL LANDING WAS COMPLETED AND AIRCRAFT BROUGHT TO MAINTENANCE. MAINTENANCE FOUND THAT THE GROUND WIRE HAD CONTACTED THE DASHBOARD EYEBROW AND THE HEAT HAD CAUSED IT TO SMOLDER. THE WIRE WAS REPLACED AND ROUTED TO ENSURE NO CONTACT CAN BE MADE WITH ANYTHING. A FLEETWIDE INSPECTION IS BEING CARRIED OUT AT THIS TIME AND WILL LEAVE SDR OPEN UNTIL TOTAL RESULTS.