As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING B-INSPECTION FOUND THE LEFT OVERWING EMERGENCY LIGHT INOP. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 4 BATTERY AND CHARGER ASSY IAW EMB 145 AMM 33-50-04. OPERATIONAL CHECKED GOOD AND NO FURTHER DEFECTS NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.