As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: DURING APPROACH TO DFW WE HAD ECAM INDICATION LAVATORY E SMOKE MASTER WARNING WENT AWAIT AFTER A FEW SECONDS, FLIGHT CREW ACCOMPLISHED THE CHECK LIST, CALLED THE FLIGHT ATTENDANTS AND THEY CHECKED ALL LAVATORIES WITH NO ISSUES NOTED. MAINTENANCE ACCOMPLISHED A SATISFACTORY BITE TEST OF THE LAVATORY SMOKE DETECTION SYSTEM WITH NO FAULTS NOTED.