As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX INFLIGHT T1406/17JUN. CAPTAIN AND FIRST OFFICERS ELECTRONIC FLIGHT INSTRUMENT SYSTEM (EFIS) SCREENS CYCLED ON AND OFF FOR 60 TO 90 SECONDS FOLLOWED BY NR ONE GENERATOR TRIPPING. RESET NR ONE GENERATOR. EFIS CONTINUED TO CYCLE BUT THE NUMBER ONE GENERATOR REMAINED ON. REPLACED NR ONE CONSTANT SPEED DRIVE AND GENERATOR. SYSTEM GROUND CHECKED NORMAL OPERATION. (A)