As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXPERIENCED A LOSS OF YELLOW HYDRAULIC SYS QTY AND PRESSURE. THE ACFT CONTINUED TO ITS DESTINATION AND LANDED WITHOUT INCIDENT, LOSS OF NOSE WHEEL STEERING. DURING TROUBLESHOOTING TECHNICIANS DISCOVERED A CRACK IN THE YELLOW SYS PRESSURE RELIEF RETURN TUBE ON THE NR 2 ENGINE. THE LINE WAS REPLACED IAW AMM 29-13-49-00-00-6A, NO FURTHER ISSUES REPORTED ON SUBSEQUENT FLIGHTS