What was found
ELECTRICAL ODOR WHILE AT GATE. PACKS ON APU BLEEDS. NOTED SCENT FROM LEFT SIDE FIRST. INSPECTED LIGHTS IN FLIGHT DECK, NO ODOR DETECTED, PERFORMED ENGINE FIRE TEST, NO ODOR OR DEFECTS DETECTED. INSPECTED AVIONICS BAY, NO SMOKE OR ODOR DETECTED. NO ELECTRICAL ODOR COMING FROM EITHER PACK WITH APU AIR OR ENGINE AIR. NO ODOR DETECTED WHEN WINDOW HEAT OR PITOT HEAT SELECTED ON, NO ODOR DETECTED WHEN SELECTING THRU FANS, DISPLAY OR ARINC. AIRCRAFT OK FOR SERVICE. (A)