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 ON ECAM LASTED 5 SECOND AND SELF CLEARED, FORWARD LAVATORY SHOWED CLEAR BY FLIGHT ATTENDANTS NO FURTHER PROBLEMS. MAINTENANCE ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK WITH NO ISSUES NOTED.