As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A GROUND INSPECTION, THE CREW REPORTED THAT THE FIRST THREE STRIPS OF FLOOR EMERGENCY LIGHTS NOT ILLUMINATING. MAINTENANCE REMOVED AND REPLACED THE NR 2 EMERGENCY LIGHT BATTERY PACK, OPERATIONALLY TESTED WITH NO DEFECTS NOTED AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.