As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE OPS CHECK OF THE EMERGENCY LIGHTS DUE TO A TIME REQUIRED CHANGE OF THE NR 3 BATTERY, THE FLOOR PROXIMITY LIGHT STRIP AT SEAT 7A WAS INOP. MAINTENANCE REPLACED THE FLOOR PROXIMITY LIGHT STRIP AND OPS CHECK NORMAL PER EMB AMM 33-50-12.