As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE - LAVATORY SMOKE DISPLAYED ON ECAM AND CIDS. THE FORWARD LAV SMOKE DETECTOR INDICATED ALARM, BUT THERE WERE NO INDICATIONS OF SMOKE OR FIRE. EMPTIED TRASH BIN AND BLOCKED FORWARD LAV FAULTED SEVERAL TIMES. PERFORMED AIRBUS MAINTENANCE MANUAL TASK 26-17-00-710-001 - FAULT CLEARED - SYSTEM OPERATIONAL CHECK NORMAL.