What was found
PHX-LAX - FLT NR 20 - CREW ABORTED TAKEOFF DUE TO HIGH EGT ON NR 1 ENGINE. OAT 101 DEGREES, EPR 1.66, EGT 852 DEGREES AND CLIMBING. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED NR 1 ENG TRANSIENT PRESSURE UNIT (TPU) PER BMM 75-32-15. NO FAULTS NOTED. AS A PRECAUTIONARY MEASURE, THE NR 1 ENGINE EPR TRANSMITTER WAS ALSO REMOVED AND REPLACED. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. REF RECORD NR AWX9500516.