As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER EXECUTING SEVERAL PRACTICE HOIST EVOLUTIONS, SMELLED A FAINT ODOR OF BURNING ELECTRICAL AND SIMULTANEOUSLY EXPERIENCED A 2 GEN FAIL WITH A BUS TIE FAIL IN THE CAS WINDOW. THE ACFT EXPERIENCED A K10 BUSS TIE CONTACTOR FAILURE. THIS CONTACTOR CONNECTS THE NR 1 AND NR 2 MAIN LOAD BUSES.