As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COCKPIT EMERGENCY LIGHTING WAS FOUND TO BE INOPERATIVE AT RFD. MAINTENANCE INSPECTED AND RE-SEATED THE EMERGENCY LIGHT BATTERY PACK. OPERATIONAL CHECKS WERE COMPLETED AND THE AIRCRAFT WAS RETURNED TO SERVICE. IN ILN AS A PRECAUTION, MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY LIGHT BATTERY PACK IAW DC-9 MM 33-5-02.