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 ECAM WITH CONTINUOUS REPETITIVE CHIME ALERTED FOR ABOUT 5 SECONDS THEN WENT OUT .FLIGHT ATTENDANT STATION SHOWED MID LAVATORY WHICH WAS OCCUPIED AT THE TIME. NO EVIDENCE OF SMOKE OR HEAT, WASTE BASKET CHECKED OK. MAINTENANCE ACCOMPLISHED CIDS CIRCUIT BREAKER RESET PER TSM 24-00-00. PERFORMED A SATISFACTORY BITE TEST OF THE #1 AND #2 CIDS PER AMM 23-73-00.