As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT DURING PREFLIGHT INSPECTION THE CREW FOUND CABIN EMERGENCY LIGHTS TO BE INOP. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY LIGHT INVERTER AND OPERATIONALLY CHECKED THE LIGHTING SYSTEM. THE SYSTEM TESTED GOOD AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.