As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR HANDLE WOULD NOT RETRACT AFTER TAKE-OFF. RAN QRH CHECKLIST, PROBLEM REMAINED. RETURNED TO DEPARTURE, LANDING UNEVENTFUL. R & R THE TRUCK BEAM TRIM CYLINDER FUSE IAW AMM 32-37-06-4-0. OPS CHECKED NORMAL IAW AMM 32-37-00-5. NO LEAKS NOTED. GEAR HANDLE MOVES TO UP POSITION.