As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCI - DURING MAINTENANCE INSPECTION THE CABIN EMERGENCY LIGHT FORWARD OF THE LEFT EMERGENCY EXIT WAS FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE AFFECTED EMERGENCY LIGHT INVERTER, OPERATIONALLY TESTED WITH NO DEFECTS FOUND, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.