As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO DTW UNDER AMBER ALERT WITH RIGHT ENGINE SHUT-DOWN DUE TO LOW OIL PRESSURE AND QUANTITY. THE NR 3 AND NR 4 SCAVENGE PUMP DRIVE IDLER GEAR BEARING FAILED. THE MAIN GEARBOX ASSEMBLY WAS REPLACED AND DISASSEMBLED FOR OVERHAUL. THIS BEARING WILL BECOME A ONE TIME USE ITEM.