What was found
ON CLIMBOUT NR 2 & 3 TR C/B POPPED FOLLOWED BY NR 2 GENERATOR TRIPPED OFF THE BUS. INSPECTED CONNECTIONS AT NR 2 ENG AND ENG DISCONNECT, CHECKED OK. REPLACED NR 2 ENG GEN BREAKER PER M/M 24-21-41 TT 0049807. REPLACED NR 2 GEN CONT UNIT, TT 0043009 (P/N 948F458-3) (S/N OK2413). GCU WAS REPLACED TWICE, NO FIX. CURRENT HISTORY: SHORT HISTORY OF NR 2 GEN PROBLEMS 9 DEC 99. A/C IS ON CRITICAL ALERT. RECOMMENDATION: SDR WILL REMAIN OPEN PENDING REVIEW OF TEARDOWN REPORT. NOTE: A/C IS CURRENTLY OUT OF SERVICE, MORE INFO TO FOLLOW.