As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO DEN DUE TO ELECTRICAL PROBLEMS. CREW REPORTED NR 2 TRANSFER BUS CIRCUIT BREAKER (C821) POPPED IN CRUISE & IN SMOOTH AIR. REPORTED LOSING FIRST OFFICER'S INSTRUMENTS INCLUDING EADI AND EHSI. THE AIRCRAFT WAS DIVERTED TO DEN WITHOUT INCIDENT. AMT CREWS COULD NOT ISOLATE CAUSE OF FAILURE / DUPLICATE PROBLEM. THE CIRCUIT BREAKER WAS REPLACED AS PRECAUTIONARY, AND THE AIRCRAFT WAS RETURNED TO SERVICE.