What was found
BURNING RUBBER ODOR REPORTED IN VICINITY IF AFT LAV. ALL OVENS & COFFEE MAKERS OFF. AFT FLIGHT ATTENDANT REPORTED FAINT ODOR OF FUEL BURN, AFTER PUSHBACK. PILOT REPORTS WHILE PUSHED BACK & STARTING ENGINES, AN AIRCRAFT TAXIED BEHIND & SUSPECT THIS AS THE SOURCE. ON MX ARRIVAL, NO ODOR NOTED. REMOVED GALLEY CONTENTS & EXAMINED AFT OVHD BINS, LAVATORIES AND GALLEY EQUIPMENT. NO EVIDENCE NOTED. PERFORMED SMOKE/ODOR INSPECTION IAW AMM 05-51-10-200-801-C1. OPS ALL AFT GALLEY EQUIPMENT, INSPECTED CABIN BINS, LAVATORIES AND COMPARTMENTS. NO ODOR PRESENT OR FOUND IN ANY LOCATIONS. CARGO CHKD, NO ODOR NOTED. ODOR WAS LIKELY FROM ACFT TAXIING BEHIND. OKAY TO CONTINUE SERVICE.