What was found
MCN - LEVEL 2 CORROSION WAS FOUND ON THE LT WING, SPOILERS 3 THROUGH 5, INNER HINGE PIN BOLTS AT THE THREAD AND HEAD RADIUS. NO CORROSION LIMITS WERE AVAILABLE. ALL SPOILER, INNER HINGE, PIN BOLTS WERE REMOVED AND REPLACED ON THE LT WING, SPOILERS 3 THROUGH 5, IAW AIRBUS 320 MM 27-64-45-420-050A.