As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MID GALLEY BUN WARMER. CONFIRMED BURNT PLASTIC BY FLIGHT CREW. CORRECTIVE ACTION: BE ADVISED THAT A BUN WARMER AND AN OVEN IS NOT THE SAME THING. AFTER PERFORMING OPERATIONAL CHECK OF BUN WARMER, THE UNIT WORKS NORMALLY. THE BUN WARMER HAS 2 MODES WHICH ARE HIGH AND LOW. IT'S WARMS UP AT A STEADY PACE AND SHUTS OFF AFTER AN HOUR, PROVIDED THE DOOR LOCK IS CLOSED. SUSPECT OPERATOR'S ERROR.