As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRBUS CANADA SER CASE: 48091 SER - AT FAILED AUTOTHROTTLE DISCONNECTED WITH HSI CAUTION "INVALID SPD USE MAN . AUTOTHROTTLE WITH DISCONNECT BUTTON RESETED. NO FURTHER PROBLEM WITH THE AUTOTHROTTLE. WO OPENED, MCC INFORMED FOR INVESTIGATION. (TC# 20190807007)