As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: ON DESCENT ECAM ENGINE THRUST LOCKED FLASHED FOLLOWED BY AUTO FLIGHT AUTO THROTTLE OFF. AUTO PILOT 1 IN USE. REPLACED FLIGHT CONTROL UNIT (FCU) AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 22-81-12.