As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN GEAR WOULD NOT RETRACT ON AFTER TAKEOFF CHECKLIST CYCLED GEAR AS PER QRH GEAR WENT DOWN 3 GREEN BUT MAIN GEAR STILL WOULD NOT RETRACT CONFIG PAGE CONFIRMED ALL THE ABOVE. FOUND LEFT AND RIGHT UPLATCH SENSOR WIRE HARNESS INTERFERING WITH TRAVEL OF LINK ASSY'S. REPOSITIONED HARNESSES. LG POSITION SYSTEM CHECKS GOOD REF MD10-10 MM 32-61-15-4. JACKED AC SWUNG GEAR SEVERAL TIMES, OPS CHECK AND INDICATION CHECKS GOOD PER MD 10-10 MM 32-60-00-5.