As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: TOD - ECAM LAV FIRE/SMOKE LASTED APPROXIMATLEY 5 SECONDS THEN WENT OUT. FLIGHT ATTENDANTS CONFIRMED - NO SMOKE OR FIRE IN FORWARD LAVATORY. MAINTENANCE WAS UNABLE TO DUPLICATE MALFUNCTION, CLEANED FORWARD LAVATORY A SMOKE DETECTOR FILTER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 26-17-00.