As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE AND NOSE GEAR MASTER WARNING WHEN GEAR HANDLE SELECTED UP. RAN QRH/QRH RETURNED TO LNK. UPON ARRIVAL TO AIRCRAFT FOUND NLG CENTERING PROX SENSOR HARNESS DAMAGED. REMOVED AND REPLACED NLG CENTERING PROX SENSOR AND WOW #2 PROX SENSOR HARNESS PER CRJ 200 AMM 32-61-05. PERFORMED MULTIPLE GEAR SWINGS. NO DISCREPANCIES NOTED AT THIS TIME. OPS CHECKS GOOD AT THIS TIME. NO FURTHER ACTION REQUIRED AT THIS TIME.