As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) STARTER GENERATOR WAS FOUND TO HAVE FAILED. DISCOVERED DURING ENGINE START-UP, ENGINE FAILED TO ROTATE FOR START. UPON REMOVAL AND STARTER DISSASSEMBLY IT WAS DISCOVERED THAT THE ARMATURE SHAFT END, THAT RIDES IN THE BRG, WAS WORN TO THE POINT THAT IT HAD A VERY LOOSE FIT IN THE BRG, CAUSING VIBRATION TO THE POINT OF FAILURE.