As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL DURING ENGINE THRUST APPLICATION RECEIVED ECAM "BLUE HYD PUMP LO PR" REJECTED TAKEOFF LESS THAN 10 KTS. FOUND BLUE SYSTEM HYD QTY BELOW TOP HAT. SERVICED HYD SYS TO MIDDLE OF TOP HAT REF AMM 12-12-29-0. SUSPECT BLUE HYD SYS QTY INDICATION MALFUNCTION DUE TO SYSTEM QTY NORMAL PRIOR TO DEPARTURE. TROUBLESHOT IAW M/M 29-10-00-5 NO FAULTS FOUND. PERFORMED MAX POWER ASSURANCE RUN IAW JRH WITH CHANGE IN HYD PRESSURE. ALL CHECKS NORMAL IAW MM 29-10-00-5 ANDJRH. ACFT OK FOR SERVICE.