As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF, CREW CYCLED THE GEAR POSITION SELECTOR HANDLE SEVERAL TIMES WITHOUT SUCCESS. CREW EXTENDED THE LANDING MANUALY AND RETURNED TO THE FIELD. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MX REPLACED THE LANDING SELECTOR HANDLE IAW MM 32-30-00. GEAR SWING OPS, CHECKED GOOD.