What was found
FLIGHT 5952 ATL-HPN ON FINAL APPROACH WITH GEAR DOWN AND FLAPS AT NR 5 POS, NR 2 ENG SPOOLED UP TO 80% UN-COMMANDED. CREW SHOT MISSED APPROACH. ON SECOND APPROACH AND SAME THING HAPPENED. CREW SHUT DOWN ENGINE. CREW DID NOT RECEIVE ANY MESSAGES IN AIR OR ON GROUND. MAINTENANCE INSPECTED ENGINE, VG ACTUATORS AND SHAFTS, NO CHECKED HISTORY. RAN ENGINES, COULD NOT DUPLICATE.