As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER DEPARTURE, THE CREW OBSERVED A NR 2 DC GENERATOR TRIP. THE AIRCRAFT RETURNED TO POINT OF DEPARTURE AND LANDED WITHOUT FURTHER DIFFICULTY. MAINTENANCE REPLACED THE NR 2 GENERATOR CONTROL UNIT AND THE AIRCRAFT WAS RETURNED TO SERVICE AFTER SATISFACTORY GROUND RUN. (TC NR 20070927002)