As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) F/O'S FMC FAILED, F/O'S ADI & HSI FLICKERED CONTINIOUSLY. AUTO THROTTLE DROPPED OFF. SINGLE FMC MESSAGE & RESYNCHING OTHER FMC MESSAGE ALL COME ON. WHEN THE RIGHT GENERATOR BREAKER WAS OPENED & THE APU GENERATOR WAS PUT ON LINE, ALL SYSTEMS OPERATE NORMAL. AIRCRAFT RETURNED TO BLOCKS FOR TROUBLE SHOOTING.