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 CRUISE FLIGHT THE CREW RECEIVED A SPURIOUS 2 SECOND ECAM :SMOKE LAVATORY SMOKE. FLIGHT ATTENDANTS REPORTED NO EVIDENCE OF SMOKE OR FIRE IN ANY OF THE LAVATORIES. MAINTENANCE PERFORMED A SATISFACTORY OPERATIONAL CHECK OF THE LAVATORY SMOKE DETECTION SYSTEM PER AMM 26-17-00 WITH NO DEFECTS NOTED.