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 LEFT FORWARD EXTERIOR EMERGENCY LIGHT INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. FOUND BATTERY PACK NR 1 DRAINED. REMOVED AND REPLACED CHARGER ASSEMBLY AND BATTERY ASSEMBLY IAW EMB-145 AMM 33-50-04. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.