What was found
DURING ROUTINE MAINTENANCE VISIT SEVERAL EMERGENCY LIGHTS WERE FOUND TO BE INOPERATIVE. ALL LIGHTS FOR POWER SUPPLY 3351-P2 WERE FOUND INOPERATIVE. AFTER TROUBLESHOOTING IT WAS DISCOVERED THAT THE LIGHT ASSEMBLY FOR LAV OCCUPIED & FORWARD EMERGENCY EXIT SIGNS WERE SHORTED OUT INTERNALLY. SHORTED CIRCUIT WAS REPAIRED AND BULBS REPLACED. OPERATIONAL CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE.