What was found
PROPELLER S/N HL271 WAS 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 CAM FOLLOWER SUPPORT AREA OF THE D-6277-(2) PITCH CHANGE BRACKET, S/N S34, AS INSTALLED ON BLADE S/N 984C, TO BE BEYOND ALLOWABLE LIMITS. THE PITCH CHANGE BRACKET WAS RETIRED FROM SERVICE AND SENT TO HARTZELL ENGINEERING FOR EVALUATION.