As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE OIL PRESSURE WAS LOW DURING ENGINE OPERATION. MAIN OIL FILTER SHOWED METAL. SIGNIFICANT METAL FOUND IN REDUCTION GEARBOX CHIP DETECTOR AND STRAINER. ON TEARDOWN OF REDUCTION GEAR SECTION OF ENGINE, ONE OF THE GEARS IN THE SECOND STAGE REDUCTION GEAR CARRIER ASSY WAS FOUND TO HAVE A BUSHING CRACKED, BROKEN AND COMING APART.