As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THAT THE EMERGENCY EXIT PATHWAY LIGHTS WOULD NOT ILLUMINATE AT CABIN SEAT ROWS 7 THROUGH 9. MAINTENANCE REPLACED THE EMERGENCY BATTERY PACK AND POWER SUPPLY AT THE 6LK POSITION IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-00. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT RETURNED TO SERVICE.