As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRIOR TO TAXI, ON ENGINE STARTUP AND SUBSEQUENT TEST, THE EMERGENCY FLOOR LIGHTS AT ROW 4, 5 AND 6, WERE FOUND TO BE INOPERATIVE. MAINTENANCE INSPECTED AND REPLACED THE 5 LK EMERGENCY BATTERY PACK IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 33-51-01. OPERATIONAL CHECKS WERE COMPLETED.