As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED MX INSPECTION, BOTH RIGHT AND LEFT ROW 12 EMERGENCY EXIT AISLE LIGHTS FAILED TO ILLUMINATE. RIC MX FOUND NR 4 EMERGENCY LIGHT BATTERY CHARGER TO BE FAULTY. REMOVED AND REPLACED NR 4 EMERGENCY LIGHT BATTERY CHARGER IAW EMB145 AMM 33-50-04 WITH OPERATIONAL CHECK SUCCESSFUL. ACFT WAS APPROVED FOR RETURN TO SERVICE.