As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL ,F/O SLIDING WINDOW CAME OFF TRACK CAUSING LOW SPEED ABORT. PREFLIGHT INSPECTION OVER CENTER LOCKED AND NORMAL. LUBRICATED INSPECTED AND ADJ. SLIDING WINDOW CHECKED OPERATION SEVERAL TIMES AND FOUND NORMAL IAW DC-10 MM 56-12-00.