As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS - DURING A OVERNIGHT SERVICE/ROUTINE INSPECTION THE EMERGENCY LIGHT STRIP AT SEAT ROWS 7, 8 AND 9 WAS FOUND INOP. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY BATTERY AT THE NR 3 LOCATION. OPS CHECK WAS GOOD AND A/C PUT BACK IN SERVICE.