As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, SMELLED A FAINT ODOR OF CHLORINE. FLIGHT ATTENDANTS IN AFT GALLEY SMELLED IT STRONGLY & SAW IT WAS COMING FROM THE AFT GALLEY VENTS, DIVERTED AND DECLARED EMERGENCY. FLIGHT DECK CREW O2 WAS USED IN FLIGHT. FOUND NR 2 T/R FUSE ABOVE HEAT EXCHANGER LEAKING. SECURED EXCHANGER IAW AMM. REMOVED AND REPLACED RIGHT AND LEFT WATER SEPARATOR FILTERS IAW AMM. REMOVED AND REPLACED RECIRCULATION FILTER IAW M/M.