As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER T/O NR 1 ENGINE HAD NO RESPONSE TO POWER LEVER MOVEMENT. CYCLING ECU W/ PWR LEVER MOVEMENT HAD NO CHANGE TO RESPONSE. DURING THIS SEQ, TQ HAD DROPPED FROM 105 TO 52 PERCENT AND STAYED UNCHANGED. ON APPROACH ENGINE RETURNED TO NORMAL OPS. REMOVED AND REPLACED MFC. LEAK AND OPS CHECK GOOD.