As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT CREW RECEIVED A LT GEN FAILURE WARNING FOLLOWING BY A VIBRATION FROM LT ENGINE. CREW ELECTED TO SHUT DOWN LT ENGINE AND DIVERTED UNDER EMERGENCY AUTHORITY AND LANDED WITHOUT INCIDENT. IT WAS DETERMINED THAT THE BEARINGS IN THE LT STARTER/GEN HAD FAILED.