What was found
NR 2 ENGINE FAILED ON THE BEGINNING OF TAKEOFF ROLL, 1.6 EPR HARD COMPRESSOR STALL AND ROLL DOWN. INSPECTION REVEALED EXTENSIVE DAMAGE TO THE T-1 THROUGH T-4 TURBINE BLADES, TURBINE FAILURE WAS CONTAINED. ENGINE TOTAL TIME 550207, TOTAL CYCLES 52176. SINCE LAST SOP VISIT 4178 HOURS, 2649 CYCLES. (M) FAILURE CAUSE NOT DETERMINED, ENGINE SOLD. (K)