As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORT AN ACRID ODOR IN THE AFT GALLEY. EQUIPMENT WAS ISOLATED AND CHECK LIST ACCOMPLISHED. ODOR CONTAINED TO AFT GALLEY DURING EVENT. CHECKED ALL C-M'S, HEAT CONTROLLERS, HOT PLATES, CHILLERS AND FLO-LIGHTS, NO ODOR DETECTED. CONTROLLER NR 56 PIGTAIL WARMER THAN OTHERS AND PLACED ON MEL. ACCOMPLISHED CHECK IAW AMM 05-51-56.