What was found
ABORT TAKEOFF DUE TO NR 1 ENGINE UNABLE TO MAKE MAXIMUM TAKEOFF POWER EPR I-68 AT FIREWALL. ABORTED PRIOR REACHING 80 KNOTS. OPERATIONAL CHECKED NR 1 ENGINE AT ENGINE RUN-UP IN ACCORDANCE TO M/M 71-00; NOTED NR 1 EPR READING 0.1 LOW. ALL OTHER INDICATION NORMAL. ENTER NR 1 EPR IN DMI NR 21038 IN ACCORDANCE WITH MEL 77-1-2 CAT "A". CHECKED PT-2 & PT-7 LINES AND FOUND NORMAL IN ACCORDANCE WITH DC-8 M/M 77-11-0. CLEANED PT-7 LINE FOR DEBIRS IN ACCORDANCE WITH M/M 71-11-0; PERFORMED ENGINE RUN-UP, FOUND NORMAL IAW M/M 71-00; CLEARED DMI 21038.