What was found
THE LBL 9.0 FLOOR-SUPPORT BEAM'S CAP HAS CORROSION ALONG ITS ENTIRE LENGTH, FROM APPROXIMATELY FS 409+128 TO APPROXIMATELY FS 559, THE CORROSION IS ON BOTH THE INBOARD AND OUTBOARD FLANGES, AND EXTENDS UNDER THE FLOOR BEAM SEAT RAILS (MARKED WITH RED GREASE PENCIL). C-CHECK RO 1/16/2021. INSTALLED NEW LBL 9.0 FLOOR SUPPORT BEAM CAP FROM FS 409+128 TO FS 559, REF REO 601R-53-41-2824 REV- DATED 2020-12-06 AND REO 601R-53-00-027 REV D DATED 26-NOV-2009. COMPLIED WITH 51-900-1003-SKY AND SEE CONTINUATION CARD FOR DETAILS.