As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRIM MAIN INOPERATIVE WARNING MESSAGE ILLUMINATED ON EICAS DURING CLIMB OUT 41500. R & R THE HSCU, NO FIX. CAN RESET P TRIM INDICATION WITH TRIM FULL DOWN. FAIL, WHEN TRIM GOES UP BEFORE FIRST CARROT. INSTALLED IAW AMM TASK 27-40-01-400-801-A.