What was found
AIRCRAFT HAD NR 1 AC GENERATOR INOPERATIVE (GOES OFFLINE AFTER 20 SECONDS). INITIALLY, THE GENERATOR HAD BEEN REPLACED, HOWEVER, THE DISCREPANCY REMAINED. SUBSEQUENTLY, CIRCUIT BREAKER, P/N 2TC2-5 FOUND WITH HOLE BURNT IN THE SIDE. FOR RECTIFICATION PURPOSES, CONTACTOR RELAY 2421-K1 REPLACED. RING CONNECTORS TO CB3 AND CB5 REPLACED, P/N HC-AJN022 (CONTACTOR RELAY), P/N 2TC2-5 (CB3) & (CB5).