As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE STARTER/GENERATOR DRIVE END BEARING FAILED CAUSING CATASTROPHIC FAILURE OF STARTER/GENERATOR. (IN-FLIGHT). STARTER/GENERATOR DRIVE SHAFT FAILED TO SHEAR AS DESIGNED RESULTING IN SEVERE VIBRATION, ENGINE IN-FLIGHT SHUT DOWN, ENGINE DAMAGE. SHAFT TESTING BY LUCAS ASEROSPACE SHOWED NORMAL AS DESIGNED.