As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT NR 3150: TAKEOFF CONFIG RELATED TO NOSE TRIM. COULD NOT GET FULL NOSE UP TRIM. AIRCRAFT RETURNED TO BLOCK. MAINTENANCE REINITIALIZED FLIGHT CONTROL SYSTEM BY CYCLING FCS ECU 1 AND 2 CB'S. ALL INDICATIONS CHECK NORMAL. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.