What was found
AFTER TAKEOFF, GEAR WOULD NOT RETRACT AND GEAR HANDLE WOULD NOT RAISE TO THE 'UP' POSITION. AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED THE LANDING CONTROL VALVE AND OPERATIONAL CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF, GEAR WOULD NOT RETRACT AND GEAR HANDLE WOULD NOT RAISE TO THE 'UP' POSITION. AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED THE LANDING CONTROL VALVE AND OPERATIONAL CHECK OK.