As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GENERATOR DROPPED OFF LINE, GENERATOR RESET AND WAS FINE FOR REMAINDER OF LEG. UPON LANDING GENERATOR DROPPED OFF LINE AND AGAIN WAS RESET WITH NO FURTHER PROBLEMS. UPON FURTHER INVESTIGATION MAINTENANCE FOUND WHAT HAD THE APPEARANCE OF REMNANTS OF A BEARING CAGE AS WELL AS BRUSH PIECES. STARTER GENERATOR WAS REMOVED AND SERVICEABLE STARTER GENERATOR INSTALLED. AIRCRAFT RETURNED TO SERVICE.