What was found
AIRCRAFT WAS GROUNDED: AFT FLIGHT ATTENDANT REPORTED THAT AFTER CLIMB THERE WAS AN ELECTRICAL SMELL IN THE AFT GALLEY. FLIGHT ATTENDANT CHECKED THE OVERHEAD CIRCUIT BREAKERS AND TURNED OF THE COFFEE MAKERS WHICH RESULTED IN THE SMELL DISSIPATING. DURING DESCENT THE FLIGHT ATTENDANTS REPORTED THAT ONE OF THE CIRCUIT BREAKERS WAS IN THE OPEN POSITION AND THAT THE ELECTRICAL SMELL RETURNED DURING LANDING. MAINTENANCE FOUND THE WATER HEATER CIRCUIT BREAKER FOR LAVATORY D TRIPPED AND REPLACED THE WATER HEATER PER AMM 38-12-16. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS OR ISSUES NOTED.