As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 4384 DURING THE INSPECTION THE CREW FOUND THE FLOOR TRACK LEVEL EXIT SIGN LIGHT AT ROW 13 C & D TO BE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE BATTERY PACK ASSEMBLY AND THE BATTERY CHARGER NR 4 PER WORK CARD 33-002. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.