What was found
AFT FLIGHT ATENDANT REPORTED FUMES DURING THE NR 1 ENGINE START. INSPECTED THE SEAL ON THE ENGINES, NO DEFECTS IAW AMM 72-60-29. INSPECTED APU, NO EVIDENCE OF LEAKS. PERFORMED A NR 1 & 2 ENGINE RUN UP. NO ODOR IAW AMM 71-00-00. CAN NOT DUPLICATE THE ODOR, THE ACFT WAS OK FOR SERVICE.