As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT NR 2356: PITCH TRIM CAUTION MESSAGE. AIRCRAFT RETURNED TO GATE. MAINTENANCE FOUND CDS REPORTS FCECU FAILURE NR 67. PERFORMED FAULT CONFIRMATION IAW FIM 37-30-00-810-803. FAULT CLEARED. NO FURTHER DEFECTS FOUND. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.