What was found
DURING TAKE OFF ROLL NR 1 ENGINE SURGE ENCOUNTERED. AFTER AIRBORNE NR 1 ENGINE SHUT DOWN AND AIR TURN AROUND. AN UNEVENTFUL LANDING WAS ACCOMPLISHED. NR 1 ENGINE INLET AND EXHAUST VISUAL INSPECTION. CONDITION NORMAL. CHECKED CHIP DECTECTOR CONDITION NORMAL. NR 1 ENGINE FADEC BITE CHECK, NO FAULT MESSAGE WAS SET. PRILIMINARY ANALYSIS GROUP 3 SURGE WAS SUSPECTED. AN AOG TEAM HAD BEEN SENT AND SPARE ENGINE HAD BEEN SHIPPED ON 4/8/2002. NR 1 ENGINE HAD BEEN CHANGED.