As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NEW REPLACEMENT STARTER FAILED 76.4 HOURS AFTER INSTALLATION. BENDIX DRIVE JAMS, STARTER WILL NOT OPERATE. STARTER IS NOT EFFECTED BY SB A-112. 4TH STARTER CHANGE ON AIRPLANE, 3RD DUE TO MECHANICAL FAILURE ALL WITHIN 205 HOURS (APPROX. 1 YEAR). REVERTED TO HEAVY STARTER MODEL P/N MZ-4222.