What was found
DURING TAKEOFF LOUD BANG HEARD AROUND 70-75KTS REJECTED TAKEOFF AT 90KT DURING BORESCOPE INSPECTION PER AMM 71-00-00210-801-F00. INSPECTED HPC BLADES. THROUGH PORT C-4 FOUND STAGE 4COMPRESSOR BLADE/STATOR TORN AND MISSING MATERIAL BEYOND ALLOWABLE AS WELL AS ALL COMPRESSOR BLADES WORN AT FWD EDGE OF PLATFORM. REF AMM 72-00-00-200-804-FOO SEE ATTACHED PHOTOS. REPLACED #2 ENGINE ASSY. PER TASK CARD 58-7200-9-0006 .PARTS USED: 1394845,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1394845 SN OFF 2570 ENGINE, BASIC OFF 58-7200-9-0006 2570 ON 58-7200-9-0005 6709