As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REJECTED TAKEOFF AT 70 KIAS DUE TO ECAM YELLOW SYS HYD LOW QTY WARNING. RAN QRH, TURNED PUMPS OFF AS DIRECTED WITH ZERO QTY READING ON THE GAUGE AS THE QTY WENT TO ZERO UPON THE INITIAL FAILURE. R & R PRIORITY VLV 273179 IAW AMM 27-14-16-04. LEAK & OPERATIONS CHECKED GOOD.