As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW NOTICED THAT THE EMERGENCY FLOOR LIGHTING WAS NOT WORKING AT THE 7LK POSITION. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY AT THE 7LK POSITION IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-01. OPERATIONAL CHECKS PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.