As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE RECEIVED "HYD Y RSVR LO LVL" FOLLOWED COM AND TURNED OFF PTU, ELECTRIC PUMP, EDP FLUID LEVEL WENT TO ZERO AND LANDING WAS UNEVENTFUL O-RING WAS REPLACED ON MANIFOLD (3011GM) CHECK VALVE (3059M) AND THE ENGINE DRIVE PUMP WAS REPLACED AND LEAK CHECKED OK.