As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF ON GEAR LEVER RETRACTION RECEIVED A/SKID INBD AND PARK BRAKE SHUTOFF VALVE CAUTION MESSAGES. GEAR DID NOT RETRACT. CYCLED GEAR NUMEROUS TIME WITH NO EFFECT. QRH DIRECTED RECYCLING PARK BRAKE WITH NO EFFECT. REPLACED LANDING GEAR CONTROL HANDLE IAW AMM.