As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING T/O ROLL, BOTH AMBER "ENGINE ANTI-ICE" OVER PRESSURE WARNING LIGHTS ILLUMINATED.TAKEOFF ABORTED. REMOVED AND REPLACED NR 1 ENGINE ANTI-ICE VALVE WITH OVERHAULED UNIT REMOVED AND REPLACED NR 2 ENGINE ANTI-ICE VALVE WITH INSPECTED UNIT. OPERATED ENGINES AT POWER AND PERFORMED ANTI-ICE CHECK. OPS AND LEAK CHECK GOOD. WORK PERFORMED PER F2000 M/M 30-200 AND 20-122.