As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: TWICE, ONCE IN FLIGHT AND ANOTHER AFTER LANDING WE HAD SMOKE IN LAVATORY ECAM MESSAGES. BOTH WERE QUICK LESS THAN 5 SECONDS, FLIGHT ATTENDANT REPORTED NO EVIDENCE OF SMOKE OR FUMES AFTER HEARING ALARM. MAINTENANCE ACCOMPLISHED SMOKED DETECTION TEST PER TSM 26-17-00-810-804-A, NO FAULTS NOTED.