As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 IDG OIL LEAK. PER CF0564 NR 1 IDG OIL LEAK, REMOVED AND REPLACED THE IDG PER MM. ENGINE RUNS AND LEAK CHECKS WERE GOOD. BITE TEST OF BPCU SHOWS LEFT GENERATOR POWER SYSTEM IDG-OIL OUT BULB WIRING. REQUIRES FURTHER TROUBLESHOOTING TO CLEAR IDG-OIL OUT BULB WIRING FAULT.