What was found
ON FLIGHT 3111 CREW REPORTED FLYING AT 11,000. AT 310KTS A LOUD BANG WAS HEARD FROM NOSE AREA AND THEN A LOUD ROAR UNTIL LANDING GEAR WAS DOWN AND LOCKED, 3 GREEN AND NO CMC INDICATIONS WITH NO EICAS MESSAGES. EMERGENCY WAS DECLARED. LANDING WAS NORMAL. ACFT WAS TOWED TO THE GATE FROM THE RUNWAY AND PASSENGERS DEPLANED AT GATE. ACFT REMOVED FROM SERVICE. REMOVED AND REPLACED NOSE LANDING DOOR SOLENOID VALVE IAW EMB 140 AMM 32-33-021. OPERATIONAL CHECK GOOD. ACFT RETURNED TO SERVICE. (S)