What was found
DURING MAINTENANCE BASE VISIT FOUND THE SERVICE DOOR EMERGENCY LIGHT TO BE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPLACED THE SERVICE DOOR EXTERIOR EMERGENCY LIGHT LAMP IAW EMB AMM TASKS 33-50-10-000-801-A AND 33-50-10-400-801-A. NO FIX. TROUBLESHOT FOUND WIRING TO BE GOOD. REPLACED NR 2 EMERGENCY LIGHT BATTERY AND POWER SUPPLY IAW W/C 33-700-19 IAW W/C 33-700-17 GOOD. NO FURTHER DEFECTS NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.