As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING FLIGHT, LEFT HYDRAULIC QUANTITY INDICATED .75. IT REDUCED STEADILY TILL LEFT SYSTEM PRESSURE, LEFT QUANTITY AND RUDDER RATIO MESSAGE APPEARED. AIRCRAFT DIVERTED. ON APPROACH, INOP LIGHT CAME ON. FOUND LEAK COMING FROM RUDDER POWERPACK AREA. REPLACED YAW DAMPER SERVO ASSY.