What was found
FLIGHT 5029- ENROUTE CVG-ACY CREW DETECTED AN ELECTRICAL OVERHEAT SMELL FOLLOWED BY AC BUS 1 CAUTION MESSAGE, LEFT AUTO TRANSFER FAIL, GENERATOR 1 OFF CAUTION, STAB TRIM AND MACH TRIM CAUTIONS, EFIS COMP MON WITH IAS YELLOW ON AIRSPEED AND AUTOPILOT NOSE UP TRIM CAUTION. CREW DECLARED AN EMERGENCY AND DIVERTED TO CMH, FLIGHT LANDED WITHOUT INCIDENT. (NO VISIBLE SMOKE IN COCKPIT OR CABIN). FOUND 1K4XD - AC UTILITY BUS #1 RELAY TO BE THE ROOT CAUSE OF ELECTRICAL OVERHEAT SMELL. REPLACED RELAY AND SURROUNDING ELECTRICAL COMPONENTS/WIRING.