As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APP THE PILOT REPORTED THAT ON THE EICAS THAT THE FGC AMBER CAS BEGAN TO FLICKER. DURING THIS TIME THEY ALSO EXPERIENCED A PRIMARY TRIM FAILURE. WHEN AIRCRAFT LANDED, THE PRIMARY PITCH TRIM AND FGC WERE TROUBLESHOT AND THE FUNCTIONAL TEST PERFORMED AND MAINTENANCE WAS UNABLE TO DUPLICATE THE FAULT.