What was found
DESCENDING FROM 380 13000 AT YYC, NR 2 THROTTLE WOULDN'T RETARD TO IDLE. COMPLIED WITH QRH "THROTTLE LEVER JAMMED" NR 2 THROTTLE WOULD ADVANCE BUT NOT RETARD TO IDLE. IT WOULD ONLY GO AS LOW AS 10-15 DEGREES ON THE QUADRANT. ENGINE SHUT DOWN AS PER QRH. WINDMILLING TIME OF 15 MINUTES. ON GROUND NR 2 THROTTLE WILL NOT RETARD PAST 10 UNITS ON QUADRANT NOR ADVANCE PAST 41 UNITS. PRIMARY TRANSMISSION INSPECTED PER AMM 76-11-33-6-04. FOUND LINT AND CRUSTED LIQUID IN THE QUADRANT ASSEMBLY, ASSY CLEANED, NOW HAVE FULL MOVEMENT FORWARD AND AFT ON NR 2 THRUST LEVER. RT A/T COUPLING UNIT CHANGED PER AMM 22-33-28-4.