As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 2975 DURING THE PREFLIGHT INSPECTION FOUND THE RIGHT OVERWING EXIT UPPER EXIT SIGN LIGHT INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE EMERGENCY LIGHTS NR 5 INVERTER IAW EMB 145 AMM 33-50-11. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.