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. FOUND LANDING GEAR OVERNIGHT PINS INSTALLED IN GEAR. REMOVED GEAR PIN. GEAR WOULD RETRACT AND DEPLOY NORMALLY. FOUND GEAR TO HAVE INTERMITTENT INDICATION PROBLEM. REMOVED AND REPLACED LANDING GEAR CONTROL BOX AND RELAY.