As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE ENGINE WOULD NOT CRANK OVER. INVESTIGATION REVEALED THE STARTER MOTOR WAS TURNING. INSPECTION OF THE STARTER ADAPTER, INTERNALLY, INDICATES EXCESSIVE CLEARANCES. REPLACEMENT OF THE UNIT RESOLVES PROBLEM. SUBMITTER SUGGESTED POSSIBLE CAUSE AS DEFECTIVE PARTS AND/OR IMPROPER ASSY PROCESS FROM THE FACTORY.