As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT WITH A/P SELECTED TO FIRST OFFICER AND ENGAGED, AIRCRAFT PITCHED OVER. NO AURAL WARNING, NO LIGHTS ON MAP. NOTED CAPTAIN'S RMI FLAGGED AT THE TIME OF HARD OVER. REMOVED AND REPLACED NR 2 DPU CONNECTOR V1 AND V2. DPU SYSTEM OPS CHECK GOOD IAW MM 34-23-00 AND AD. SYSTEM OPS CHECK GOOD AT THIS TIME IAW 22-10-00.