As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POT WATER FROM SINK AND COFFEEMAKERS RELEASES FUMES THAT BURN THROAT AND NOSE. MAINTENANCE PERFORMED POTABLE WATER SANITIZATION IAW EMB 175 J/C R12-14-01-670-810A. WATER IS CLEAR AND NO LONGER CONTAINS ODOR. PLACED POTABLE WATER TANK ON MEL 38-10-00-2.