What was found
FLIGHT ATTENDANT REPORTED AN ELECTRICAL ODOR THAT LASTED MOMEN TARILY IN AFT CABIN PER FLIGHT CREW, ODOR WAS NOT ELEC. ODOR AND WAS IN AFT CABIN/ A FT GALLEY. ODOR HAPPENED HALFWAY THROUGH FLIGHT AND WAS MOMENTAR Y. SMELL WENT AWAY AFTER SHUTTING OFF OVENS. INSPECTED CABIN AND GALLEYS IN REFERENCE TO FIM 21-00 TASK 830. SMELL NOT FROM PACK S OR BLEEDS. NO LIGHT ASSY BURNT OUT. ALL THREE OVENS ALONG WITH THIER INSERTS WERE DIRTY AND GREASEY. CLEANED OVENS AND NOTIFIE D CATERING TO REMOVE INSERTS. COULD NOT DUPLICATE AFTER CLEANING