What was found
GEAR DISAGREE WARNING MESSAGE AFTER TAKEOFF. NOSE WHEEL DID NOT COME UP. (FLIGHT 5378 - FILED CLOSED) PLEASE REFERENCE AML 1384104 PLEASE REFERENCE AML 1384105 PLEASE REFERENCE AML 1384107 PLEASE REFERENCE AML 1384108UPON COMPLETION OF REMOVAL AND REPLACEMENT OF DAMAGED PROX SENSORS, PERFORMED GEAR SWINGS OF NLG REF CRJ 200 AMM 32-33-00, OPS CHECK GOOD AT THIS TIME. PERFORMED OPS CHECK OP NLG PROXIMITY SENSORS REF CRJ 200 AMM 32-61-00-710-801, OPS CHECK GOOD AT THIS TIME NO FURTHER FAULTS FOUND. NO MORE MESSAGE PRESENT AT THIS TIME. AIRCRAFT OKAY FOR CONTINUED SERVICE.