As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXTENDED LANDING GEAR ON APPROACH AND RECEIVED A NOSE GEAR DISAGREE MESSAGE. WENT AROUND AND RECEIVED NORMAL GEAR DOWN INDICATIONS. FLIGHT 6831. REPLACED NOSE GEAR SELECTOR VALVE PER AMM 32-22-20. OPS AND LEAK CHECK GOOD. P/N 750006-000, S/N OFF 2029.