As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THE FLOOR PROXIMITY EMERGENCY LIGHTS BY THE FIRST FOUR ROWS TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE NR 2 BATTERY PACK IAW MFG MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (SW21200406977)