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 COCKPIT DOOR STEP AND GALLEY CEILING PANEL EMERGENCY LIGHTS OUT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 1 EMERGENCY LIGHT DC/AC INVERTER IAW EMB-145 AMM 33-50-11. THE OPERATIONAL CHECK WAS GOOD. NO DEFECTS NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.