As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW NOTICED THAT EMERGENCY LIGHTS AT ROW SEVEN THROUGH NINE WERE NOT OPERATING. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-01. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.