What was found
YOW - FL1226 - ON DESCENT INTO YOW, CREW NOTICED THAT THE ENG ANTI-ICE LIGHTS WERE NOT ILLUMIATED WITH SWITH IN THE 'ON' POSITION. THE NR 2 ENG ANTI-ICE WING CIRCUIT BREAKER WAS POPPED AND COULD NOT BE RESET. THRUST LEVER FOR THE NR 2 ENG WAS UNADVANCED AND CONTINUED TO RUN AT IDLE. AFTER LANDING IN YOW, THE START LEVER WOULD NOT GO TO CUTOFF. CREW HAD TO SHUT DOWN THE NR 2 ENG BY PULLING THE FIRE HANDLE. MAINTENANCE FOUND THE ANTI-ICING AIR TUBE ELBOW AND BROKEN APART ON THE NR 2 ENG CAUSING MANY WIRES AND CANNON PLUGS. ENGINE RUN, LEAK CHECK AND OPERATION CHECK GOOD. (M)