What was found
ON TAKEOFF ROLL AT APPROX 90 KTS ATTITUDE & MAP NOT AVAILABLE, DISPLAYED ON CAPTS PRIMARY FLT DISPLAY & NAVIGATION DISPLAY, & NR 1 IR FAULT LIGHT ON, REJECTED TAKEOFF HIGH SPEED. AFTER REJECTED TAKEOFF BRAKE TEMP REACHED 990 DEG ON ALL FOUR BRAKES, AND NR 1 & 2 TIRES WENT FLAT WITH POSSIBLE LEAKS ON NR 3 & 4 TIRES. MX R & R NR 1 ADIRU IAW T/C R2A34304, OPS CHK GOOD. PERFORMED OVERTEMP INSP OF BOTH MLG AXLES, & R & R ALL FOUR MLG TIRES & BRAKE ASSY. BENCH TEST OF ADIRU COULD NOT VERIFY REASON FOR REMOVAL. SUSPECT PROBLEM WITH JFK RUNWAY 31L INDUCED FAULT OF Z QUANTIZER DC AMP FAILURE. THIS IS A KNOWN PROBLEM WITH JFK RUNWAY.