As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SHAFT FOUND INSTALLED IS THE WRONG PART FOR THIS PARTICULAR STARTER-GEN. THE SHAFT IS .127 LONGER THAN THE FAN END THEN THE CORRECT P/N. SUSPECTED UNAPPROVED PARTS.INVESTIGATION REVEALED THAT PARTS WERE APPROVED AND MAINTENANCE PROCEDURES WERE AT FAULT.