As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4 ORD-PHX - RTO - DURING TOGA POWER T/O, NR 2 ENGINE EPR SURGED TWICE - DECREASED TO 1.25 FROM 1.4. REJECTED TAKEOFF AT APPROXIMATELY 100 KTS. MAINTENANCE REMOVED AND REPLACED NR 2 ENGINE FUEL METERING UNIT (FMU) AND ELECTRONIC ENGINE CONTROL (EEC).