As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW FOUND THE EMERGENCY EXIT LIGHT AT SEAT 9A WAS NOT WORKING. MAINTENANCE REPLACED THE EMERGENCY BATTERY AT THE 6LK POSITION IN ACCORDANCE WITH THE DORNIER MAINTENANCE MANUAL 33-51-00. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.