What was found
SAL - FLT TA220 - DURING INITIAL TAKEOFF, A STRONG NOISE WAS HEARD, WHEN APPLYING TAKEOFF TRUST, REJECTED THE TAKEOFF AND STRONG VIBRATION WAS FELT IN THE NR 2 ENGINE. ENGINE SHUTDOWN WAS ACCOMPLISHED, AIRCRAFT RETURNED TO GATE. DUE TO INTERNAL DAMAGES, ENGINE NR 2 WAS CHANGED (S/N IN P-688012B) PER MM 71-00-00. ENGINE RUN-UP CHECK WAS PERFORMED ACCORDING TO MM 71-09-100. ENGINE TRIMMING WAS PERFORMED ACCORDING TO MM 71-09-246, PAGE 208 AND AIRCRAFT RETURNED TO NORMAL OPERATION. (M)