What was found
ON SHORT FINAL, CREW NOTED A NR 2 ENGINE SURGE, THEN THE ENGINE SEEMED TO QUIT. THE PROP AUTOFEATHER SYSTEM WORKED CORRECTLY AND THE PROP FEATHERED. AFTER LANDING, THE CREW REPORTED THE ENGINE RESTARTED WITHOUT INPUT FROM THE CREW, BUT THE PROP REMAINED FEATHERED. THE CREW THEN SHUT DOWN THE ENGINE. THE P3 LINE FROM THE FCU TO THE P3 FILTER BOWL WAS FOUND BROKEN AT THE FERRULE ON THE FCU END. IT IS SURMISED THE ENGINE DIDN'T SHUT DOWN, BUT DECELERATED TO MIN FUEL FLOW ONCE THE P3 LINE BROKE, AND THE PROP AUTOFEATHERED. THE ENGINE CONTINUED TO RUN AND ONCE ON THE GROUND, THE ENGINE EGT AND RPM WERE NOTED. THE CREW THEN SHUT DOWN THE ENGINE AND TAXIED IN. THE CLAMP AND BRACKET AT THE MIDDLE OF THE LINE WA