As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LANDING GEAR HANDLE COULD NOT BE MOVED BEYOND THE OFF POSITION AFTER TAKEOFF. ABNORMAL PROCEDURES WERE COMPLIED WITH AND THE AIRCRAFT WAS RETURNED TO BOS WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE RT MLG TELEFLEX CABLE OUT OF ADJUSTMENT. THE CABLE AND AIR SAFETY SENSOR WERE ADJUSTED IAW MM 32-09-200. A GEAR SWING WAS PERFORMED SEVERAL TIMES AND NO DEFECTS WERE NOTED.