As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: SMOKE LAVATORY ECAM AND CRC IN FLIGHT FOR 2 SECONDS (SELF CLEARED) NO REPORTED SMOKING OR VAPE FROM FLIGHT ATTENDANTS. MAINTENANCE ACCOMPLISHED A SATISFACTORY BITE TEST OF SMOKE WARNING SYSTEM WITH NO FAULTS NOTED.