As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION FOUND THE 3 AFT FLOOR SECTIONS OF EMERGENCY LIGHTS INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 4 EMERGENCY POWER SUPPLY UNIT BATTERY AND CHARGER IAW EMB 145 AMM 30-50-04. THE OPERATIONAL CHECK WAS OK IAW EMB 145 AMM 33-50-00. THE AIRCRAFT WAS RETURNED TO SERVICE.