What was found
DURING B INSPECTION FOUND THE MAIN DOOR STAIR EMERGENCY LIGHT INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE MAIN DOOR EMERGENCY LIGHT BULB IN REFERENCE WITH EMB AMM TASK: 33-50-10-000-801-A, AND 33-50-10-400-801-A. NO FIX. REMOVED EMERGENCY LIGHT ASSEMBLY AND FOUND GROUND WIRE HAD BAD CONNECTION CLEANED GROUND WIRE AND TESTED FOUND TO BE GOOD. RE-INSTALLED ASSEMBLY WITH NEW BULB. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.