As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE EMERGENCY LIGHTS AT ROWS FIVE AND SIX FAILED TO OPERATE, DURING PREFLIGHT INSPECTION. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY BATTERY AT POSITION 5LK, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-01. OPERATION CHECKS WERE COMPLIED.