As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OVEN SMOKED WHEN IN COMBINATION MODE OR MICROWAVE MODE. IN MICROWAVE MODE IT BURNT A BLACK CIRCLE IN TOAST. REMOVED AND REPLACED THE OVEN IAW GL-7500 BD700-3AB48-10200-00 COMBI MICROWAVE REMOVAL/ INSTALL / MANUAL. OPS CHECK GOOD, NO DEFECTS NOTED.