As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK MX FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 9-13 OF THE CABIN WERE INOPERATIVE. INVESTIGATION REVEALED THAT A PIN HAD BEEN PULLED FROM THE WALL DISCONNECT PLUG. MX REPAIRED IT BY RE-INSERTING THE PIN. ALL CHECKS WERE GOOD.