As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. EMERGENCY DECLARED. ORD-DUB FLIGHT RETURNED TO ORD ACCOUNT RIGHT ENGINE INTEGRATED DRIVE GENERATOR WARNING INDICATION. OVERWEIGHT LANDING UNEVENTFUL. REMOVED AND REPLACED IDG PER AMM 24-11-01. OPERATIONAL CHECK GOOD.