As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE STARTER/GENERATOR FAILED IN FLIGHT WITH NO INDICATION OF FAILURE. RESULTS OF THE INDICATION FAILURE RESULTED IN MAIN BATTERIES AND EMERGENCY BATTERY DISCHARGE, COUPLED WITH FAILURE TO PROPERLY LOAD SHED. THESE SEVERAL INSTANCES RESULTED IN LOSS OF INDICATIONS IN THE COCKPIT. CREW TOOK EMERGENCY MEASURES TO SAFELY LAND THE AIRCRAFT.