As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING EIR JT15D 2011-006, WAS ABLE TO CONFIRM THAT ENGINE DID HAVE METAL CONTAMINATION OF THE OIL SYS. THE SOURCE OF METAL CONTAMINATION WAS THE NR 3 BEARING WHICH HAD A CRACK ON CAGE WHICH ALLOWED THE ADJACENT ROLLER ELEMENT TO TURN SIDEWAYS WITHIN THE POCKET AND HEAVILY SCORED & GOUGED THE OUTER RACE. THE REASON WHY THE CAGE ON THE BEARING CRACKED COULD NOT BE DETERMINED.