As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAVATORY SMOKE AURAL ALERT IN CABIN AND LAVATORY, SMOKE WARNING ON ECAM ILLUMINATED INTERMITTENTLY DURING FLIGHT, LAVATORY CONDITION NORMAL. NO SMOKE OR PASSENGER NOT SMOKING IN LAVATORY WHEN WARNING WENT OFF TWO TIMES DURING FLIGHT THEN CLEARED ITSELF. ACCOMPLISHED SYSTEM TESTED IAW TSM 26-17-00 AND OPS CHECKED NORMAL.