As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 907 LAS-CLT - FALSE FIRE - SMOKE IN LAV WARNING ON CLIMBOUT FROM LAS. FLIGHT ATTENDANTS CHECKED ALL LAVS - NO INDICATION OF SMOKE. ECAM WENT OUT AFTER APPROX 30 SECONDS. MAINTENANCE PERFORMED RESET AND OPERATIONAL CHECK OF LAV FIRE/SMOKE DETECTION SYSTEM IAW AIRBUS MAINTENANCE MANUAL 26-17-00-710-001.