As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT REPORTED BURNING SMELL COMING FROM OVEN 2 POSITION 4-3. IT WAS A PLASTIC SMELL AND CONFIRMED IT WAS NOT COMING FROM INSIDE THE OVEN BUT MAYBE BEHIND IT. ALL C/B'S WERE PULLED AND THE ODOR STOPPED. MAINTENANCE REMOVED AND REPLACED OVEN NR 2 POS 4-3.