As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT MOST OVEN ON F/O SIDE OF A/C HAD BURNING SMELL WHEN ON. TURNED OFF, SMELL WENT AWAY. FOUND REMNANTS OF MELTED PLASTIC BAG IN AFT RT OVEN. CLEANED OVEN. INSPECTED OVEN HARNESS AND CONNECTOR. REINSTALLED, OPS OK. NO ABNORMAL SMELL NOTED. HARNESS AND CONNECTOR OK.