As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING AT ROW 1 IN THE CABIN WAS INOPERATIVE. MAINTENANCE FOUND A CONNECTOR IN THE SEAT WIRE HARNESS TO BE THE CAUSE OF THE FAULT. SYSTEM WAS REPAIRED AND THE FUNCTIONAL CHECK WAS NORMAL.