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