What was found
(CAN) CUSTOMER SENT PROPELLER ACTUATOR ASSY TO SHOP DUE TO INTERNAL LEAKAGE CAUSING PROPELLER HUB TO PRESSURIZE AND BLOW THE RELIEF VALVE. ACTUATOR WAS PUT ON TEST STAND, TESTED AT 400PSI AND SHOWED A POSITIVE LEAK RATE OF APPROXIMATELY .5 LITRE PER MINUTE. FURTHER INSPECTION REVEALED A 2.25" CRACK RUNNING FORE AND AFT IN THE SIDE OF THE ACTUATOR BORE.