As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) CYLINDER KITS (4OFF) USED TO SERVICE THE ENGINE HAD THE INCORRECT LIGHTWEIGHT PISTON PINS FITTED INSTEAD OF THE CORRECT HEAVYWEIGHT PINS. THE INCORRECT PINS WERE MARKED LW13445 WHICH IS THE PART NUMBER FOR THE CORRECT HEAVYWEIGHT PIN.