As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: LAVATORY SMOKE AURAL ALERT IN COCKPIT. NO ECAM MESSAGE. NO CABIN INDICATIONS AURAL OR VISUAL. FLIGHT ATTENDANT CONFIRMED NO SMOKE. NO SMOKING ECAM APPEARS INTERMITTENT, COCKPIT AURAL ALERT REMAINED ON AFTER LANDING. MAINTENANCE PERFORMED LAV SMOKE DETECTOR TEST. NO FAULTS NOTED PER AMM 26-12-00.