What was found
DURING FLIGHT AFT CABIN ATTENDANTS NOTICE ELECTRICAL SMELL IN THE AFT GALLEY. SHORTLY AFTER SMELL STARTED SMOKE DETECTOR IN AFT LAV STARTED TO SOUND. THE C/B FOR THE AFT GALLEY COFFEEMAKER POPPED AND THE SMELL WENT AWAY. THE AFT LAV SMOKE DETECTOR CONTINUED TO SOUND AND THE F/A DISCONNECTED THE BATTERY. THE FLIGHT THEN DIVERTED TO BNA IT WAS SCHEDULED LIT-ATL. MAINTENANCE FOUND THE AFT GALLEY COFFEEMAKER AT FAULT AND REPLACED SAME.