As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE POST FLIGHT INSPECTION, THE EMERGENCY LIGHTS AT ROWS 4, 5, AND 6 WERE NOTED TO BE INOPERATIVE. MAINTENANCE INSPECTED AND REPLACED THE 5LK EMERGENCY LIGHT BATTERY PACK. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.