As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAV 2R SMOKE DETECTOR WENT OFF FOR MORE THAN 5 MINUTES. FLIGHT ATTENDANT CREW DEACTIVATED SMOKE DETECTOR. SMOKE WAS ELECTRICAL IN NATURE AND DISSIPATED AFTER ALARM WAS DEACTIVATED. KIX, MAINTENANCE CHECKED LAV 2R, AND TESTED SMOKE DETECTOR FUNCTION NORMAL. OPERATIONAL CHECKED GOOD AND RETURNED TO SERVICE.