What was found
FLT 112 - OGG-KOA - LOUD 'BANG' WITH HIGHT EGT ON NR 2, 650 PLUS. SHUT DOWN ENGINE. EMERGENCY DECLARED. RETURNED TO OGG. NORMAL LANDING. REMOVED AND REPLACED NR 2 ENGINE ASY IAW FORMS M-211, M-212, M-213, M-214, AND M-215. AIRCRAFT RETURNED TO SERVICE. (M)