As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IDLE DISAGREE MSG RECEIVED SEVERAL TIMES DURING DESCENT. RIGHT ENGINE AT APPROACH IDLE, LEFT ENGINE MINIMUM IDLE. MSG CLEARED AFTER ADVANCING LEFT ENGINE.(<P>RESET LEFT IDLE CONT. C/B AND CONFIRMED THERMAL ANTI-ICE HIGH LEFT SYSTEM NORMAL. IDLE DISAGREE MSG DISAPPEARED PER F.I.M 71-05 FT 846.</P>)