As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 1200 FT "PTRIM MAIN INOP" ON EICAS PITCH WAS AT 2 UP SPEED AT 250 RTS IAS A/P OFF. PERFORMED AOM 1 PROCEDURE, DIVERTED. CMC MSG HSCU FAILURE C/W FIM TASK 27-43-00-810-801-A AND FOUND TRANSITORY CONDITION, R & R HSCU AS PRECAUTIONARY METHOD. OPS CK GOOD.