As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON THE ABOVE DATE TAKE-OFF WAS ABORTED DUE TO CONTROL YOKE REFUSAL TO MOVE AFT. UPON TROUBLE SHOOTING DISCOVERED PART NUMBER 555.20.12.786 LEVER ARM FITTING PLASTIC STOP HAD EXITED THE LEVER ARM FITTING AND JAMMED THE ELEVATOR COUNTERWEIGHT, PART NUMBER 527.30.12.053.