As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL WITH ANTI-ICE ON, RECEIVED ECAM MESSAGE "ENG NR1 ANTI-ICE NAC VALVE". ACCOMPLISHED RTO AT 70 KTS. (RTO 1 OF 2) SEE WRI 30-20/3659 FOR DEFERRAL OF NR1 ENG NAC A/I VALVE. FAULT CLEARED WHEN REDUCING POWER, NO FURTHER FAULTS. CREW TAXIED BACK TO T/O AGAIN. RTO 2ND TIME FOR SAME PROBLEM, FAULT DID NOT CLEAR. SEE WRI 30-20/3659 FOR DEFERRAL OF NR 1 ENG NAC. A/I VALVE. MEL'D AND DEACTIVATED AGAIN.