As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NLG STEERING CAS MESSAGE INDICATED. INSTALLED NEW NLG STEERING ACTUATOR AND DISCOVERED STEERING ACTUATOR WIRE HARNESS CHAFED. CHAFE CAUSED BY NLG TRUNION PIN BOLT COTTER PIN. INSTALLED NEW HARNESS. CAS WARNING MESSAGE NO LONGER DISPLAYED.