As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FUNCTIONAL CHECK OF EMERGENCY LIGHTING SYSTEM, THE EMERGENCY ESCAPE PATH LIGHTS WERE INOPERATIVE FROM SEAT ROW 11 LEFT TO SEAT ROW 17 LEFT. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK AND POWER SUPPLY AT SEAT ROW 17 LEFT, OPERATIONAL CHECK WAS GOOD.