What was found
THIRTY MINUTES AFTER DEPARTURE, F/A REPORTED THE ODOR OF SMOKE IN THE AFT GALLEY. CREW STATED THAT AFT GALLEY NR 4 OVEN EMITTED ODOR AND FLAMES. AFTER THEY PULLED C/B THE SMOKE AND FLAME EXTINGUISHED. SOURCE WAS CONFIRMED. FLT CONTINUED REMOVED OVENS 3 AND 4 IN AFT GALLEY. NO FAULT FOUND WITH OVENS OR WIRING. WHILE OPERATING OVENS FOUND NR 3 OVEN FAN INOPERATIVE. REPLACED NR 3 OVEN. MX ALSO REPORTED REMOVING FOOD DEBRIS FROM OVEN. SYS OPERATION IS NORMAL.