What was found
(CAN) ON APPROACH, PILOT BROUGHT BACK POWER LEVERS, NR 2 ENG REACTED NORMALLY, THE NR 1 ENG INCREASED. THE PILOT MOVED THE NR 1 ENG POWER LEVER FWD AND ENG WENT BACK TO WHAT THEY HAD BEEN BEFORE APPROACH. NR 1 POWER LEVER MOVED SEVERAL TIMES, EACH TIME THE ENGINE REACTED THE SAME, ENG WAS FEATHERED AND SHUTDOWN. AFTER LANDING, AIRCRAFT WAS TOWED OFF THE RUNWAY DUE TO PILOT COULDN`T MAINTAIN PROPER STEERAGE. THE STARTER GEN TERMINAL BLOCK COVER HAD COME OFF AND HAD FALLEN ONTO THE ENG CONTROL LINKAGE AND LANDED IN SUCH A WAY THAT WHEN THE POWER LEVER WAS BROUGHT BACK, IT FORCED THE FCU CONTROL ARM FWD INCREASING POWER. THE TERMINAL BLOCK COVER WAS REMOVED AND AN ENGINE RUN-UP, OPS WERE NORMAL.