As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOISE COMING FROM NR 2 PROPELLER WHEN ROTATING. REPLACED NR 2 PROPELLER ASSEMBLY. DISASSEMBLY SHOWED DAMAGE TO THE NR 2 BLADE AND ITS SPLIT RING BEARING RACE. APPROXIMATELY ONE INCH OF MATERIAL HAS CRACKED/BROKEN AWAY FROM THE END OF ONE BEARING SPLIT RING HALF. FIVE BLADE BEARINGS WERE LOOSE INSIDE THE PROP HUB.