As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: LAVATORY SMOKE WARNING VERY BRIEFLY ON ECAM IN FLIGHT AND FORWARD LAVATORY BUTNONE ON AFT LAVATORY. MAINTENANCE PERFORMED TSM 26-17-00-810-804-A AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK WITH NO ISSUES NOTED.