What was found
BASED ON MX REPORT, DECIDED TO GIVE A LITTLE EXTRA TIME FOR ACCELERATION . IT WAS NECESSARY TO GO FULL QUADRANT TO GET CLOSE TO TAKEOFF POWER. WHEN THE AUTOFLIGHT TILE WAS PRESSED ENG 1 AND 2 REACHED TAKEOFF POWER, ENG NR 3 WAS LAGGING ABOUT 15 PERCENT BELOW POWER REQUIRED BY THEN. WE WERE ABOUT 3000FT DOWN THE RWY AND DECIDED TO REJECT THE TAKEOFF. NOTE ENG 3 HAS BEEN RUNNING CONSISTENTLY 100-120 DEG CENTIGRADES HIGHER THAN ENG NR 1 AND NR 2 AT GROUND IDLE. INTERROGATE CFD'S FOUND FAULT CODE " 361033 PRV REGULATOR LOW FAULT " AND " 361031 FAV NOT CLOSING FAULT". FOLLOWED FIM FAULT CODE 36-10-12 OPEN NR 3 ENG COWLINGS AND T/R'S FOUND CLAMP LOOSEN AND OUT OF PLACE WITH BIG GAP ON PNEUMATIC DISCHARGE DUC