As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE ELEVATOR YOKE FAILED AT THE LOWER PORTION SLIGHTLY ABOVE (2 INCHES)THE PUSH PULL TUBE ATTACHMENT,DURING FLIGHT CONTROL CHECK. IT WAS FOUND THAT SERVICE BULLETIN SB SEB01-3 HAD NOT BEEN ACCOMPLISHED. THE YOKE WAS CORRODED INTERNALLY AND FAILED. THERE IS SOME INDICATION THAT A CRACK MAY HAVE BEEN PRESENT PRIOR TO THE FAILURE.