As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINEERING INVESTIGATION REPORT EIR PW100 2011-040. CONFIRMED THE OPERATORS REPORT OF METAL CONTAMINATION OF THE RGB OIL SYS. THE SOURCE OF THE METAL CONTAMINATION WAS DETERMINED TO BE THE NR 15 BEARING WHICH HAD A CRACK AND SPALLED INNER RACE. THE CAUSE OF THE NR 15 BEARING FAILURE COULD NOT BE DETERMINED.