As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PROPELLER S/N HL271 RETURNED FOR VIBRATION AND COMPLIANCE OF SB'S HD-SB-61-005, 014, AND 020. INITIAL INSPECTION REVEALED BLADE S/N 984C TO BE OUT OF ANGLE TOLERANCE. AFTER DISASSEMBLY, INSPECTION REVEALED WEAR ON THE B-6077-2 CAM FOLLOWER INSIDE DIAMETER, AS INSTALLED ON BLADE S/N 984C, TO BE BEYOND ALLOWABLE TOLERANCE. THE CAM FOLLOWER WAS RETIRED FROM SERVICE AND SENT TO HARTZELL ENGINEERING FOR EVALUATION.