As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MX INSPECTION THE NR 2 EMERGENCY LIGHT BATTERY PACK WAS FOUND NOT TO BE RECEIVING ACFT VOLTAGE. MX R & R THE NR 2 EMERGENCY LIGHT BATTERY CHARGING TRAY WITH OPS CHECK PERFORMED SUCCESSFUL. ACFT WAS APPROVED FOR RETURN TO SERVICE.