As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL CAUTION MESSAGE FOR LT AND RT HIGH PACK PRESSURE, ABORT TAKEOFF. C/W QRH. RAN UP 2ND TIME AND BOTH HI PRESS CAUTION MESSAGE AGAIN. REMOVED AND REPLACED BOTH PRSOV VALVES IAW AMM, OPS CHECK GOOD. REMOVED PN 32156222, RT SN 1319 (TT 9618 HRS) AND LT SN 957 (TT - 11764 HRS) (K)