As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SERVICE CHECK, FOUND THE L1 DOOR FLOOR LEVEL EMERGENCY LIGHT ON. THE COCKPIT SWITCH WAS IN ARM POSITION AND FLOOR ENTRY LIGHT WAS OUT. FOUND WIRES THE CONNECTOR TO THE EMERGENCY LIGHT AND EMERGENCY LIGHT WIRES PLUGGED INTO THE FLOOR ENTRY LIGHT. SWAPPED LIGHTS.