As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS - EMERGENCY LIGHTS FROM ROW 16 TO 25 AND FOUR EXIT SIGNS AT OVERWING HATCH INOPERATIVE IN TEST MODE. AIRCRAFT FERRIED TO DFW FOR EVALUATION. FOUND LIGHT SOCKET AT FORWARD SEAT 16 SHORTED. REPLACED LIGHT SOCKET AND BATTERY PACK FOR EMERGENCY LIGHTS FROM ROW 16 TO 25 AND FOUR EXIT SIGNS AT OVERWING HATCH. SYSTEM GROUND CHECKED NORMAL OPERATION.