What was found
ELECTRICAL ODOR THROUGH OUT CABIN AND COCKPIT, AIRBORNE. RETURNED TO A-03. MIXED REPORTS FROM THE FLIGHT CREW ON THE EXACT ODOR. AIRCRAFT WAS INSPECTED AT THE GATE FOR ANY ELECTRICAL PROBLEMS OR POPPED CIRCUIT BREAKERS, NONE NOTED. APU AND PACKS WERE OPERATED, WITH NO ODOR NOTED. NR 2 ENGINE WAS REPLACED 01/06/01, AND FLT 356 WAS THE FIRST FLT SINCE ENG CHANGE.