As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) INCORRECT PROPELLER BLADE PIN INSTALLED. NO PART NUMBER ON THE PIN. HAMILTON STANDARD HAVE SIMILAR LOOKING PARTS, THE DIFFERENCES ARE DASH NUMBER AND LENGTH. 775672-1 LENGTH 2.48", 775672-2 LENGTH 2.58". HAMILTON STANDARD SB 14SF-61-A43 WAS ISSUED TO ADDRESS THIS PROBLEM. THE SUBMITTER STATES THIS IS THE THIRD TIME HE HAS CAME ACROSS THIS PROBLEM.