What was found
STARTING TAXI LOUD POP & ELECTRICAL ARC & EL SMELL IN COCKPIT L GEN CONTROL BREAKER POPPED W/ NR 2 ELECTRIC HYDRAULIC INOP LIGHT ON (NO C/B POPPED) TAXI BACK TO GATE REMOVED & REPLACED ELECTRIC CONTROL PANEL PER MM 24-22-01 OPS CHECK NORMAL PERFORMED ENG RUN UP ON BOTH GENERATORS OPS CHECK CHECK NORMAL NO ABNORMAL SMELL OR DEFECT NOTED IN COCKPIT REFER TO L/P 8797562 FOR NR 1 GEN WILL NOT COME ON LINE. AUTOMATIC MUST BE MANUALLY RESET. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1449878 S/N OFF 01374 PANEL, ELECTRIC OFF 19-3112-9-0018 1374, ON 19-3112-9-0018 1625.