As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEN 2 OFF BUS YELLOW CAS ILLUMINATED - 45,000 FEET, -65 DEGREES GEN 2 OFF MESSAGE. RAN QRC AND IT WOULDN'T COME BACK ONLINE. DIVERTED TO KIWA. AT APPROXIMATELY 30,000 FEET STARTED TO HEAR ENGINE NOISE. CONFIRMED RIGHT ENGINE NOISE WAS GETTING LOUDER. SHUT DOWN ENGINE AND LANDED SINGLE ENGINE WITHOUT INCIDENT. REMOVED AND REPLACED #2 ENGINE STARTER/GEN WITH AN OVERHAULED UNIT IAW AMM 24-31-01-400-801.