What was found
MAIN CABIN AFT WET AREA (SEC. 47) STA 947 TO STA 967 FLOOR SUPPORT AT RBL 16 HAS CORROSION ON THE UPPER SURFACE. GROUNDED - YES. REMOVED CORROSION ON FLOOR SUPPORT AT STA 951 RBL 16-RBL 24, LOST .018" OF MATERIAL. FOUND BEYOND LIMITS IAW SRM 53-70-51-1A-1, REMOVED AND REPLACED FLOOR SUPPORT, PO 1138155.1 IAW SRM 51-40-02 & DWG 147A5650, REV: A.