As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: DURING PERIODIC SERVICE CHECK MAINTEANCE FOUND SEAT ROW 19 AND 20 AISLE EMERGENCY ESCAPE PATH LIGHTING INOPERATIVE. MAINTENANCE FOUND THE CANNON PLUG LOOSE ON THE WIRE HARNESS FOR SEAT ROWS 19 AND 20 AND SECURED IT PER AMM 33-50-00. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.