What was found
R1 DOOR AREA, SUPPORT CHANNEL FOR AFT DRAIN HAS SURFACE CORROSION, BS 360, RBL 55. REMOVED CORROSION AT R-1 DOOR LOWER FLOOR SUPPORT CHANNEL BS 360, RBL 55 IAW SRM 51-10-02, SUPPORT CHANNEL BS 360, RBL 55 IAW SRM 51-10-02 SUPPORT WITH ORIGINAL THICKNESS .063 MATERIAL LOSS 0.020, MATERIAL REMAINING .043 FOUND TO BE OUT OF LIMITS IAW SRM 53-10-15. R & R FLOOR SUPPORT, PN 141N5160078, PO 650DL-00146 IAW DRW 141N5160, REV B, INSTALLED FLOOR SUPPORT CHANNEL IAW DWG 141N5160, REV B.