What was found
REJECTED TAKEOFF DUE TO MOMENTARY FIRE/OVERHEAT INDICATION ON EN GINE 1 PER CAPT , RTO WAS AROUNF 110-120 KTS , ACFT HAS HAD COOLDOWN PERIOD. PERFORMED BITE CK ON ENG/APU FIRE DETECTION CNTL MODULE. NO FAULTS NOTED REF AMM 26-10 TASK 801. ALSO CKD EEC BITE ON #1 ENG. NO FAULTS NOTED. ALSO CKD ENG EXCEEDANCES #1 ENG. NO CURRECT EXCEEDANCES. OPENED UP #1 ENGINE FOR LEAK CK OF DUCTS, USING APU AIR/ SOAPY WATER.NO LEAKS NOTED. FOUND PRSOV BLEEDING AIR EXCESSIVLY FROM WEEP HOLE. VERY LOUD AND HOT. NEED TO CHANGE PRSOV. REMOVED AND REPLACED ENG #1 PRSOV PER AMM 36-11-04 OPS AND LEAK CHECK GOOD.