As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF GEAR HANDLE SELECTED UP, MAIN GEAR DOORS OPENED BUT GEAR DID NOT RETRACT. RETURNED TO AIRPORT AND MAINTENANCE CHANGED THE GEAR SOLENOID DIRECTIONAL VALVE AND ACTUATOR PROXIMITY SWITCH. MAINTENANCE OPERATED LANDING GEAR WITH NO ISSUES AND AIRCRAFT WAS RETURNED TO SERVICE.