What was found
FOR FLIGHT 4374 PRIOR TO FLIGHT THE CREW FOUND THE EMERGENCY SIGN NEAR RIGHT EMERGENCY WINDOW TO BE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 3 EMERGENCY LIGHT CHARGER ASSEMBLY IAW EMB 145 AMM CH 33-50-04-000-802-A/33-50-04-400-802-A. REMOVED AND REPLACED THE NR 3 EMERGENCY LIGHT BATTERY IAW EMB 145 AMM CH 33-50-04-000-801-A/33-50-04-400-801-A. THE OPERATIONAL CHECK WAS NORMAL. THE AIRCRAFT WAS RETURNED TO SERVICE.