As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL, THE NR 1 ENGINE EPR RESPONDED SLOWER WITH N1 2 TO 3 PERCENT LESS THAN THE OTHER ENGINES. THE NR 1 ENGINE EGT ENTERED RED WITH MAX EGT OF 925C. TAKEOFF WAS ABORTED AT 90 KNOTS. MAINTENANCE INSPECTED INLET AND TAILPIPE. FOUND THE UPPER 4.0 BLEED VALVE SCREEN COCKED IN VALVE HOLDING IT OPEN. THE SCREEN WAS REPLACED AND THE ENGINE CHECKED GOOD AT TAKEOFF POWER.