As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - FL2220 - FLIGHT RETUNRED TO FIELD AT CLT DUE TO FAILURE OF THE LANDING GEAR HANDLE WOULD NOT MOVE TO THE UP POSITION. THE LANDING GEAR WOULD NOT RETRACT. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE ADJUSTED THE GROUND SPOILER TELEFLEX CABLE IN ASSOCIATION WITH MM 27-62-51. PERFORMED FUNCTIONAL TEST PER MM 27-62-51. (M)