As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRE FLT 5540 - STL - COCKPIT CEILING EMERGENCY LIGHT AND STEP LIGHT AT THE COCKPIT DOOR INOPERATIVE. MAINTENANCE INSPECTED AND FOUND THE CONNECTOR ON EMERGENCY LIGHT BATTERY NR 1 LOOSE. THE CONNECTOR WAS TIGHTENED AND AN OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM CHECKED GOOD.