As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FAIL CAUTION EICAS MESSAGE DURING DESCENT. PLACED ON MEL MEL CLEARED BY: FAULT NOT ACTIVE ON STARTUP. FOUND FC 22310019TA(1/2) IN CMC 1X. REPLACED THROTTLE QUADRANT AS PRECAUTIONARY REF AMM 76-11-01-000/400-801-A, OPS CHECK GOOD. AT OPS TEST AMM 22-31-00-710-801-A, GOOD RETURNED TO SERVICE.