As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - EEL - DURING C-02 CHECK FOUND EMERGENCY ESCAPE PATH LIGHTS AT SEAT ROWS 1, 2, & 4 INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY POWER SUPPLY UNIT (10WL) ABOVE THE L-1 DOOR, OPERATIONAL CHECK OF EMERGENCY LIGHT SYSTEM WAS GOOD.