As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MKE- WHILE AT THE GATE FLIGHT 4052 THE CREW NOTED A BURNING ODOR FROM AROUND THE FLIGHT ATTENDANT LIGHTING CONTROL PANEL. THE SYSTEM WAS PLACED ON MEL, AND THE AIRCRAFT WAS RELEASED TO SERVICE. IAH- MAINTENANCE REMOVED AND REPLACED THE CABIN LIGHTING CONTROL MODULE, PERFORMED A OPERATIONAL CHECK. NO DEFECTS NOTED AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.