As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4325 THE CREW REPORTED THE FLOOR EMERGENCY LIGHTING REAR AND EXIT ROWS EMERGENCY LIGHT NOT WORKING. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED NR 4 EMERGENCY BATTERY POWER SUPPLY IAW 33-50-64 SYSTEM CHECK NORMAL. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.