As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT REPORTED DEFECT THAT THE NR 2 HYD QTY IS READING 0 IN THE FLIGHT DECK AND ON THE RESERVOIR GAUGE IN THE WHEEL WELL. MAINTENANCE FOUND THAT THE INDICATOR CABLE, WHICH IS PART OF THE RESERVOIR FLUID LEVEL INDICATOR ASSY, WAS LOOSE AND NOT MOVING WHEN THE RESERVOIR IS SERVICED. THE RESERVOIR ASSY WAS REPLACED IAW THE AMM AND THE ACFT RETURNED TO SERVICE.