What was found
SMOKE ODOR IN MID GALLEY AREA COMING FROM R31 OVEN. OVEN WAS SHUTDOWN & CB PULLED. CREW STATES THEY SAW SMOKE COMING FROM OVEN. WITH OVEN OFF & CB PULLED, ODOR & SMOKE DISSIPATING NO FURTHER ISSUES NOTICED. POS R31 FOUND OVEN TO HAVE MELTED FOOD ON BOTTOM. REMOVED OVEN, INSPECTED & CLEANED COMPARTMENT OUT. INSTALLED NEW OVEN WITH CLEANED FOOD TRAY ON BOTTOM RACK. OPERATIONS CHECKED NORMAL IAW AMM 25-32-02.