What was found
INSPECTION TYPE SI, CORROSION ON FLOORBOARD SUPPORT HAT CHANNEL STA 649 AND STA 658 WL 207.5 RBL BOTTOM SIDE OF NUT CLIP HOLES. MECHANICALLY REMOVED CORROSION, REWORK DEEMED OUT OF LIMITS IAW SRM 53-10-1, REPLACED CHANNEL STA 620 TO 680 IAW SRM 51-30-02, 51-30 -5, 51-30-3, 51-10-2 AND MM 51-20-151.