What was found
ELECTRICAL "HOT" ODOR NOTED WHILE IN PATTERN. PERFORMED POWER/ON OPS CHECKS OF EXTERNAL POWER, AVIONICS POWER, STATIC INVERTERS, INSTRUMENT PANEL AND COCKPIT LIGHTS, AND PASSENGER INFORMATION LIGHTS. APPLIED HYD POWER, CHECKED COCKPIT HEATERS, EXTENDED AND RETRACTED FLAPS, CHECKED HORIZONTAL TRIM SWITCHES. PERFORMED LT AND RT ENGINE RUNS. COULD NOT DUPLICATE MALFUNCTION. ACFT WAS RELEASED FOR FCF, FUNCTIONAL CHECK FLIGHT. NO DEFECTS WERE REPORTED. ACFT WAS RETURNED TO SERVICE.