As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING WHEN SELECTING FLAPS TO 45 MAIN PITCH TRIM AND BACK UP PITCH TRIM INOP BOTH APPEARED ON EICAS. PER FIM TASK 27-43-00-810-820-A FIM PROCEDURES BLOCK DIAGRAM BLOCKS 3&8 HORIZONTAL STAB ELECTRNIC OPERATIONAL TEST AMM TASK 27-40-00-802-A/500 TRANSITORY CONDITION OF THE HSCU EXISTS. OPS CHECK GOOD RETURN TO SERVICE