As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B-18203 IN FLT BURING ODOR CAME OUT ONCE AT GALLEY UNIT 3 AND THEN PULL OUT ALL C/B OF UNIT 3. CHECKED ALL GALLEY 3 EQUIPMENT FOUND BURNING ODOR COME FROM COFFEEMAKER 309. COFFEEMAKER 309 REPLACED AND ALL GALLEY. EQUIPMENTS FUNCTION CHK NML.