As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUS INFLIGHT T1705/3 MAR DESCENDING AT IDLE LEFT ENGINE DID NOT RESPOND AT LEVEL OFF. NUMBER 1 AND NUMBER 2 EPR WERE ALL SUB IDLE WITH NO THROTTLE RESPONSE. SHUT LEFT ENGINE DOWN AND SECURED VIA ENGINE FAILURE CHECKLIST. NO FURTHER ABNORMALITIES. REPLACED LEFT HAND FUEL CONTROL. SYSTEM GROUND CHECKED NORMAL OPERATION.