As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED AT CRUISE THEY RECEIVED HYDRAULIC LOW QUANITY ADVISORY FOLLOWED BY HYDRAULIC LOW PRESSURE. THE AIRCRAFT QUANTIY INDICATED 2 AND THE PSI WAS 0. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED #2 ENGINE HYDRAULIC PUMP PRESSURE LINE. OPERATIONAL CHECKS WERE GOOD.