What was found
DURING CLIMBOUT FLIGHT CREW OBSERVED AN ELECTRICAL BURNING SMELL AND SMOKE COMING FROM FORWARD GALLEY, UPON INVESTIGATION THE F/A NOTICED ARCING AT THE NR 1 COFFEEMAKER. THE AIRCRAFT TURNED BACK TO PHX AND THE NR 1 COFFEEMAKER CIRCUIT BREAKER WAS PULLED. ARCING AND SMOKE STOPPED AT THIS TIME. AIRCRAFT LANDED AT PHX WITHOUT FURTHER EVENT. MAINTENANCE PERFORMED VISUAL INSPECTION OF THE NR 1 COFFEEMAKER FINDING A SHORTED WIRE AND CIRCUIT BOARD DAMAGE. REMOVED AND REPLACED THE NR 1 COFFEEMAKER AND PERFORMED OPERATIONAL CHECK, COFFEEMAKER CHECKED GOOD. MAINTENANCE ALSO PERFORMED A GALLEY SHED AND POWER TRANSFER, THIS CHECK WAS ALSO GOOD. CONFIRMED COFFEMAKER AS PROBLEM. A/C RETURNED TO SERVICE.