What was found
(CAN) HYDRAULIC PUMP FAILURE ON LEFT SIDE FOLLOWING GEAR RETRACTION. PUMP SPLINES HAD WORN OFF UNTIL THEY STARTED TO SLIP. PUMP HARD TO TURN INDICATING A SPLINE PROBLEM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) HYDRAULIC PUMP FAILURE ON LEFT SIDE FOLLOWING GEAR RETRACTION. PUMP SPLINES HAD WORN OFF UNTIL THEY STARTED TO SLIP. PUMP HARD TO TURN INDICATING A SPLINE PROBLEM.