As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: THE ECAM ALERT SMOKE LAVATORY SMOKE WAS ANNUNCIATED DURING THE FLIGHT AND IT CLEARED ON ITS OWN AFTER A VERY SHORT TIME PERIOD. THE FLIGHT ATTENDANTS PANEL SHOWED THE LAVATORY SMOKE ALERT IN LAVATORY D, AND NO SMOKE OR FUMES WERE NOTED. MAINTENANCE ACCOMPLISHED TSM 26-17-00-810-804-A WITH NO FAULTS NOTED.