As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK -- ON TAKEOFF, GEAR HANDLE WOULD NOT GO PAST THE OFF POSITION. RAN APPROPRIATE CHECKLIST WHICH INDICATED FAILED GEAR HANDLE SOLENOID. PULLED TRIGGER AND GEAR CAME UP NORMALLY. REMOVED AND REPLACED S106 AIR SENSE SWITCH PER M/M.