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 DESCENT, RECEIVED SPURIOUS MID LAVATORY SMOKE ECAM WITH ASSOCIATED CRC. FLIGHT ATTENDANT REPORTED NO PASSENGER OR SMOKE PRESENT IN MID LAVATORY. MAINTENANCE ACCOMPLISHED FIM 26-17-00 AND SMOKE SYSTEM TEST. NO FAULTS NOTED.