As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL - EMERGENCY ESCAPE PATH LIGHTING AT ROWS 16 TO 24D INOPERATIVE. REPLACED BATTERY PACKS AT MID AND FORWARD CABIN AND BATTERY AND MODULE AT MID AND AFT CABIN FOR EMERGENCY ESCAPE PATH LIGHTING. SYSTEM GROUND CHECKED NORMAL OPERATION.