As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ICT- FLIGHT 3796, THE CREW NOTED THAT THE LAV SMOKE DETECTOR LIGHT CAME ON INFLIGHT. MAINTENANCE CLEANED CONNECTORS P8201 AND P8100, PERFORMED A OPERATIONAL CHECK OF THE LAV SMOKE DETECTION SYSTEM, NO DEFECTS NOTED. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.