As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO MIA UNDER AMBER ALERT DUE TO GENERATOR INDICATION PROBLEM. *S/D* THE LEFT ENGINE INTEGRATED DRIVE GENERATOR WAS BELIEVED TO BE AT FAULT. THE LEFT ENGINE IDG WAS REPLACED, OPERATIONS CHECK NORMAL. THE SHOP FOUND NOTHING WRONG WITH THE REMOVED IDG.