As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF, RETURNED TO FIELD. MAINTENENCE TROUBLESHOOTING DETERMINED THE LANDING GEAR SELECTOR VALVE FAILED. SOLENOID COIL OHM MEASUREMENT OUT OF TOLERANCE. SELECTOR VALVE REPLACED, ACFT RETURNED TO SERVICE.