As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AUTO THRUST WENT TO CLIMB POWER UNCOMMANDED DURING DECENT. APPROACH MODE ACTIVATED AND CONFIRMED. THEN AT 7000' DESCENDING TO 3000' WITH SPEED SELECTED AT 210 KNOTS, CREW HAD TO DISCONNECT AUTOTHROTTLE AND RECONNECTED AUTOTHROTTLE ON FINAL WORKED FINE. MAINTENANCE REPLACED THE FLIGHT CONTROL UNIT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 22-81-12.