What was found
RIGHT BUS ISOLATED , RIGHT BUS TIE ILLUMINATED. RIGHT GEN OFF LINE. CORRECTIVE ACTION: INSPECTED AND TROUBLESHOOT RIGHT ISOLATION BUS REF FIM 24-20 TASK 802. MAIN BUS / OVERLAP ZONE. ALL CHECKS GOOD AT THIS TIME. RAN BOTH ENGINES AND DISCONNECTED BOTH L & R BUS TIES TO SIMULATE A DISCONNECT. NO ISSUES FOUND AT THIS TIME. AIRCRAFT IS GOOD FOR RETURN TO SERVICE AT THIS TIME. NO DEFECTS NOTED.