As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FAULT IDLE THRUST ON LEFT ENGINE IDLE FLUCTUATES 10% N1 WOULD NOT FLUCTUATES WHEN FLIGHT INTO APPROACH IDLE USING ENGINE ANTI ICE (<P>TRANSFERRED TO MDDR 103443 IAW MEL 73-21-08-02 CAT "C"</P><P>REF LOGPAGE 1013365 ITEM 1; REMOVED AND REPLACED HMU PER AMM 73-21-14. THIS CLEARS MDDR 103443.</P>)