What was found
CLE/CVG - EN ROUTE, A PRECAUTIONARY DIVERSION WAS MADE INTO NMV BECAUSE OF A BURNING SMELL IN THE COCKPIT. THE ATC WAS INFORMED, BUT AN EMERGENCY WAS NOT DECLARED. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE FIRE CREW INSPECTED THE AIRCRAFT. A MECHANIC WAS DISPATCHED TO NMV. THE PROPELLER HEAT DE-ICE TIMER AND DE-ICE RELAY WERE REPLACED. THE SURROUNDING WIRING WAS CHECKED AND EVERYTHING WAS FINE. OPS CHECKED GOOD. (X)