As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELEC GEN DRIVE R RIGHT IDG FAULT (LOW INTERNAL OIL PRESSURE). AFTER EXTENSIVE TROUBLE SHOOTING AND PART REPLACEMENT. FOUND IGD FAULTY SUSPECT FAULTY BEARING. BUG REPLACED SUSPECT FAULTY BEARING. BACK UP CONVERTER REPLACED SUSPECT INTERNAL FAULT. ALL OPS AND CHECKED GOOD. AC OK FOR SERVICE.