What was found
FLIGHT ATTENDANTS REPORTED AN ODOR. NO ODOR IN COCKPIT UNTIL ENGINE SHUTDOWN & STRONG OIL ODOR. CHECKLIST ACCOMPLISHED . TROUBLESHOT IAW TSM 05-50-00-810-831-A, PERFORMED A WALKAROUND AND INSPECTED ENGINES FOR SIGNS OF OIL LEAKAGE. NO LEAKAGE FOUND. INSPECTED APU, NO LEAKS FOUND. RAN APU AND BOTH PACKS NO ODOR NOTED. SHE HAD BROUGHT ON BOARD A/C PACK WAS THE SOURCE OF THE ODOR. MX VERIFIED THE ODOR AND CONCLUDED THAT IT WAS ALSO THE SOURCE OF THE NOTED PROPANE ODOR. ACFT OK FOR CONTINUED OPERATIONS.