As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE DRIVE GEAR ON THE BENDIX DRIVE SHUTTERED. THIS ALSO CURVED SEVER DAMAGE TO THE TEETH ON THE RING GEAR RENDERING THE RING GEAR UNSEVERICEABLE. WE HAD 2 PREVIOUS PROBLEMS WITH THE BENDIX ON NEW STARTERS THESE. RELATED TO THE DRIVE NOT ENGAUGING OR DISENGAGING PROPERLY. THIS IS A MUCH MORE SEVERE PROBLEM AND IS PROBABLY RELATED TO A MATERIAL DEFECT IN THE PART.