What was found
GEAR DISAGREE AND NOSE DOOR OPEN WARNING MSG AFTER T/O. NOSE GEAR INDICATED DOWN. COMPLIED WITH QRH ALL GEAR CAME DOWN LANDED NORMAL. FLIGHT 4327 - FILED CLOSED THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 20371564 WITH THE FOLLOWING CORRECTIVE ACTION: "UPON TROUBLESHOTING FOUND TOWGAURD NOSE COLLER MIGRATED INTO NLG OLEO CENTERED/EXTENDED (PS14GA) BRACKET CAUSING DAMAGE TO BRAKET. REMOVED AND REPLACED PROX SENSOR BRACKET IN REF TO CRJ200 AMM. GEAR SWING NORMAL ON GROUND IN REF TO CRJ200 AMM. REF CAMP CP 20372574-1 FOR REMOVAL OF TOWGAURD NOSE COLLER. "