What was found
AIRCRAFT RETURNED TO PLATFORM, SMOKE ODOR IN FORWARD GALLEY. CAPTAIN SHUTDOWN ENGINES AND DURING MAINTENANCE CHECK A PIECE OF LOCKWIRE WAS DETECTED IN THE WATER HEATER CIRCUIT BREAKERS, CAUSING A SHORT CIRCUIT. GALLEY, COFFEE MAKERS AND OVENS CIRCUIT BREAKERS AREA WERE CHECKED, BEING ALL CORRECT. THE GALLEY WATER HEATER WAS DEFERRED BY MEL 25-12 AND DURING OVERNIGHT CHECK, THE WATER HEATER WAS REPLACED IAW MM 25-30-00, TESTED CORRECT AND DEFERRED REPORT WAS CLOSED.