As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT GALLEY OVEN AT STA 413 OVERHEATS SCORCHING FOOD SMOKE FROM THE SCORCHED FOOD SET OFF "LAV SMOKE" ALARMS RESULTING IN AN EICAS MSG "LAV SMOKE". AFT GALLEY OVEN DEPOSITS IN BOTTOM OF OVEN CLEANED OUT. C/B PULLED AND COLLARED. ITEM DEFERRED PER MEL.