As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE EMERGENCY LIGHT 24LK WAS NOTED TO BE INOPERATIVE BY PIT MAINTENANCE, DURING A LINE CHECK ONE INSPECTION. MAINTENANCE INSPECTED AND REPLACED THE 6LK EMERGENCY LIGHT BATTERY PACK, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-01. OPERATIONAL CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.