As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - LEFT ENGINE THROTTLE WOULD NOT RESPOND TO POWER REDUCTION ON DESCENT, PERFORMED ENGINE SECURING CHECKLIST. FOUND LEFT ENGINE FCU THROTTLE LINKAGE ATTACH BOLT BACKED OUT. INSPECTED BOLT, NUT AND LINKAGE ATTACH POINT. NO DEFECTS NOTED. REATTACHED LINKAGE AND CHECKED CLEARANCE THROUGH FULL THROTTLE MOVEMENT. PERFORMED ENGINE TRIM. OPS CHECK GOOD. RII ACCOMPLISHED. (M)