As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LOST A SYSTEM HYDRAULIC PRESSURE, NR 1 ENGINE HYDRAULIC PUMP INOPERABLE. FOUND BLANKING PLATE ON SIDE OF PUMP WAS SEPARATED FROM PUMP. PUMP REPLACED, PUMP CASE DRAIN FILTERS REPLACED, FUNCTIONAL AND LEAK CHECK CARRIED OUT SERVICEABLE.