As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT ATTENDANT HEARD A LOUD POP AND SMELLED AN ELECTRICAL BURNING ODOR IN GALLEY NR 5 WHILE EN ROUTE TO HNL. THE GALLEY CIRCUIT BREAKERS WERE PULLED AND THE ODOR CEASED. THE AIRCRAFT LANDED AT HNL WITHOUT INCIDENT. MAINTENANCE FOUND COFFEEMAKER NR 509 AT FAULT. THE C/P UNDER WATER HEATER WAS DAMAGED. THE GALLEY AREA WAS INSPECTED WITH NO OTHER FAULTS FOUND. THE COFFEEMAKER WAS REMOVED AND REPLACED IAW MM 25-33-05. OPERATIONAL CHECKS WERE GOOD.