As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT RETURNED TO FIELD DUE TO A GEAR DISAGREE. NOSE GEAR STAYED DOWN AND LOCKED. R & R THE NLG SELECTOR VALVE IAW AMM. PERFORMED SEVERAL GEAR SWINGS IAW SRM. GEAR PERFORMED NORMALLY, NO FURTHER MESSAGES NOTED AT THIS TIME. LEAK CHECK GOOD.