As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) INITIAL INSTALLATION OF STARTER/GENERATOR P/N: RR30000412, WITH ORIGINAL QAD CLAMP ALWAYS INSTALLED IN ACCORDANCE WITH MANUFACTURER RECOMMENDATIONS OPERATORS MAINTENANCE MANUAL 80-11-10-400-801. DURING THE FIRST ENGINE CRANK AFTER STARTER/GEN INSTALLATION, THE QAD CLAMP WAS RUPTURED CAUSED BY FATIGUE STRESS CRACK. THE STARTER/GENERATOR FELL DOWN FROM THE QAD PAD PROMPTLY. (TC# 20190814007)