As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DISASSEMBLED ACTUATOR TO REPLACE O-RINGS AND FOUND BUMPER TO BE TOTALLY DISINTEGRATED. BUMPER LOOSENED ITSELF OFF AND PISTON KEPT POUNDING ON BUMPER AS THE SKIS WENT UP AND DOWN. THIS CAUSE THE CONTAMINATION IN THE HYDRAULIC SYS.