As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE L GEN CONT TRIPPED OCCURRED WHILE TRYING TO ELECTRICALLY OPEN EN CHANCED COCKPIT DOOR. STARTED APU THEN REFERRED TO QRH. RESET WAS SUCCESSFUL EXCEPT L BUS TIE REMAINED OPEN. GEN OPERATED NORMALLY FOR REMAINDER OF FLIGHT. ALL BITE ON BPCU L AND R GCUS, NO FAULTS. RESET LT BUS TIE. ACCOMPLISHED ENGINE RUN. ELEC LOADS AND VALUES NORMAL. APPLIED FULL ELEC LOAD. NO FURTHER TRIPS NOTED.