As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED GEAR DISAGREE RED CAS MESSAGE. MAIN GEAR INDICATED DOWN AND LOCKED AND NOSE GEAR INDICATED UP. STEERING INOPERATIVE AMBER CAS MESSAGE ALSO REPORTED. CREW MANUALLY EXTENDED LANDING GEAR AND LANDED SAFELY. ACFT TOWED TO RAMP. MX TROUBLESHOT, R & R NLG SELECTOR VALVE AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.