As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED TO FIELD DUE TO GEAR WOULD NOT RETRACT WITHOUT THE USE OF OVERRIDE. THE SYSTEM WAS TROUBLESHOT AND THE LANDING GEAR SELECTOR WAS FOUND TO BE THE PROBLEM. THE UNIT WAS REPLACED AND A FUNCTIONAL CHECK OF THE SYSTEM PERFORMED WITH ALL INDICATIONS NORMAL.