What was found
FLIGHT EXECUTED AN AIR TURNBACK AFTER THE FLIGHT ATTENDANTS REPORTED A STRONG ELECTRICAL SMELL IN THE GALLEY. WHEN THE BUN WARMER, CHILLER, AND ALL OUTLETS WERE TURNED OFF, THE SMELL WENT AWAY. MAINTENANCE COULD NOT DUPLICATE THE SMELL AND NO CIRCUIT BREAKERS WERE TRIPPED. NO DEFECTS NOTED WITH THE FORWARD GALLEY APPLIANCES, IN THE ELECTRICAL ACCESSORY SECTION, OR WITH ANY CABIN LIGHTING. OPERATED PACKS FULL HOT AND COLD WITH ENGINES AND APU AND NO DEFECTS NOTED THERE EITHER. AIRCRAFT OK FOR SERVICE. ETOPS CATEGORY 'B': DIVERSION OR TURNBACK