As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE - DURING PREFLIGHT INSPECTION THE CREW NOTICED THAT THE FORWARD 3 STRIPS OF FLOOR PROXIMITY LIGHTING DID NOT ILLUMINATE. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE NR 2 BATTERY TO BE LOOSE IN THE BATTERY CHARGER. THE BATTERY WAS RE-SECURED AND THE LIGHTING SYSTEM OPERATIONALLY CHECKED GOOD.