As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT# 3574 THE CREW REPORTED THE EMERGENCY LIGHTS CAME ON IN FLIGHT.THEY COULD ONLY BE TURNED OFF WITH THE COCKPIT SWITCH.CABIN SWITCH HAD NO CONTROL.MAINTENANCE REPLACED THE CABIN LIGHT CONTROL MODULE.OPERATIONAL CHECKS WERE GOOD.