What was found
STEERING FAILED EICAS MESSAGE WHEN LANDING GEAR WAS EXTENDED AT 2500 FEET. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. PERFORMED A/C RESET, NO MESSAGES PRESENT. FOUND CONNECTOR SLIGHTLY LOOSE ON NOSE LT PROXIMITY SENSOR. RESEATED CONNECTOR PLUG, PERFORMED OPS CHECK OF NLG, NO FURTHER DEFECTS NOTED.