As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: IN FLIGHT LAVATORY SMOKE ECAM INDICATION AS WELL AS FLIGHT ATTENDANT PANEL FOR AFT RIGHT LAVATORY. NO INDICATION OF SMOKE, TRASH CANS DOUSED CONTINUED NORMALLY. MAINTENANCE PERFORMED A SATISFACTORY OPERATIONAL CHECK OF THE LAVATORY SMOKE DETECTION SYSTEM PER AMM 26-17-00.