As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE INSPECTION FOUND THAT THE FORWARD EMERGENCY LIGHTS WILL NOT ILLUMINATE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 1 POWER SUPPLY, BATTERY IAW 33-700-19 AND INVERTER IAW EMBRAER 145 AMM 33-50-11. OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.