What was found
NR 2 BEARING FAILURE. DURING START, NR 2 ENGINE FAILED. NR 1 ENGINE WAS AT GROUND IDLE. FAILURE OCCURRED AT 40 PERCENT N1 DURING START-UP. ALL PARAMETERS WERE NORMAL AND WITHIN LIMITS. THERE WAS A SUDDEN LOUD NOISE FOLLOWED BY SMOKE FROM THE TAILPIPE AND THEN CHIP LIGHT. PILOT SHUT DOWN THE ENGINE IMMEDIATELY PRIOR TO REACHING GROUND IDLE. UPON ENGINE REMOVAL, FOUND SEVERE N1 RUB. TOTAL CYCLES, 14,082.4.