As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER DEPARTING AND ENROUTE, THE CREW OBSERVED NR 2 ALTERNATOR HAD TRIPPED OFFLINE AND DID NOT RESET. THE AIRCRAFT RETURNED TO POINT OF DEPARTURE AND LANDED WITHOUT FURTHER PROBLEM. MAINTENANCE REPLACED THE NR 2 ALTERNATOR. THE AIRCRAFT COMPLETED A SATISFACTORY GROUND RUN AND WAS RETURNED TO SERVICE. (TC NR 20070905002)