What was found
NR 4 ENGINE COMPRESSOR STALLED WITHIN 3 TO 4 SECONDS AFTER FULL TAKEOFF POWER APPLIED, 1.87 EPR / 21 DEGREES CELCIUS TEMP / ALTIMETER 30.1 AT SEA LEVEL. SECURED LOOSE SENSE LINE AT PRBC, PERFORMED GROUND RUN AT 1.87EPR, GROUND OPS CHECKS GOOD IAW DC8 M/M 71-0.