As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE INTEGRATED DRIVE GENERATOR LIGHT ILLUMINATED DURING FLIGHT. IDG WAS DISCONNECTED AND APU STARTED BUT IT FAILED AFTER A FEW HOURS. EMERGENCY DECLARED. FLIGHT DIVERTED. LANDING UNEVENTFUL. REMOVED AND REPLACED INTEGRATED DRIVE GENERATOR ASSEMBLY IAW AMM 24-11-01. OPERATIONAL CHECK GOOD. AIRCRAFT WAS GROUNDED.