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 CLIMB SMOKE LAVATORY SMOKE ON ECAM LASTED APPROXIMATELY 15 SECONDS BEFORE CLEARING. FLIGHT ATTENDANTS INVESTIGATED ALL LAVATORIES AND FOUND NO EVIDENCE OF SMOKE. MAINTENANCE ACCOMPLISHED LAVATORY SMOKE DETECTION SYSTEM OPERATIONAL CHECKS PER AMM 26-17-00 WITH NO FAULTS NOTED.