What was found
REMOVED CORROSION AT CABIN FLOOR PANEL SUPPORT UPPER SURFACE BETWEEN FRAMES 68-70, RBL 6" IAW SRM 51-74-00. PERFORMED UT THICKNESS INSP OF REWORKED AREA, FOUND TO BE AT UPPER SURFACE 0.150 MAX, 0.90 MIN USED DAKOTA MX-3 SN 3B264 IAW A320 NDTM 51-10-04. R & R FLOOR SUPPORT BEAM IAW SRM 51-42-00-00.