As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
S.O.A.P. SAMPLE REVEALED A TRACE OF CARBON STEAL, ALUMINUM AND GRIT (CARBON/GRIT) WITH MAJOR AMOUNTS OF M50 WITH SHINY PLATELETS. THE FILTER WEIGHT WAS 7,806 MGS. THE ENGINE WAS DISASSEMBLED IAW THE CURRENT MM AS REQUIRED TO ACCESS ALL BEARINGS. DISASSEMBLY FINDINGS REVEALED HEAVY SPALLING WITH MATERIAL LOSS ON THE NR 4 ROLER BRG, WITH DISCOLORATION IN THE FORM OF "BLUEING" AS WELL AS A FRACTURED ROLLER CAGE. A MATERIAL ANALYSIS WAS COMPLETED BY MFG PROJECT ENGINEERING WITH FINDINGS INCONCLUSIVE. (K)