As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT HAS DIVERTED DUE TO A SMOKE ECAM WARNING AND FLT ATTENDANT CONFIRMED FOUL ODOR. DECLARED EMERGENCY AND DIVERTED. PERFORMED TSM 26-15-00-810-804A. NO FAULTS FOUND. RAN APU WITH PACKS. NO ODORS DETECTED. RAN NR 1 & 2 ENG WITH PACKS. NO ODORS FOUND. SUSPECT AFT LAVATORY WATER HEATER. TRANSFERRED TO DMI - ITEM NR 2, CLEANED.