As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL FLIGHT ATTENDANTS REPORTED A HOT OILY SMELL IN THE CABIN-APPLIED TSM 05-50-00-810-831-A FOR IDENTIFICATION OF THE CAUSE FOR AIR QUALITY EVENT. FOUND CAUSE TO BE TYPE 10 FROM OTHER AIRCRAFT ENGINE EXHAUST, NO SMOKE ODOR OR FUME WAS PRESENT WHEM MX WENT ON BOARD. OK TO CONTINUE SERVICE.