As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, CREW NOTED AN ODD ODOR WHEN USE OF THE MICROWAVE OVEN WAS ATTEMPTED; MICROWAVE OVEN FAILED TO OPERATE. AFTER LANDING, USE OF THE MICROWAVE WAS ATTEMPED A SECOND TIME. THIS TIME, THE UNIT PRODUCED SMOKE AND A BURNING SMELL. MX REPLACED THE MICROWAVE OVEN UNIT.