As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/BUF - FLT 7486 - DURING TAKEOFF, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO GEAR HANDLE WOULD NOT GO ALL THE WAY UP. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE REMOVED FOD FROM GEAR HANDLE. MAINTENANCE PERFORMED GEAR SWINGS. OPS CHECK OK. AIRCRAFT RELEASED AND RETURNED TO SERVICE. (X)