As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT ATTENDANT REPORTED SMELLING AN ELECTRICAL BURNING SMELL AT THE NR 2 HOT JUG. UPON INVESTIGATION, MAINTENANCE FOUND THE EXTERIOR OF THE WATER JUG SOAKED WITH WATER AND WATER IN THE ELECTRICAL CONNECTION. THE JUG AND THE ELECTRICAL CONNECTION WERE DRIED WITH NO FURTHER PROBLEMS NOTED.