What was found
*IN MAIN CABIN, ON FLOOR BEAM AT APPROXIMATELY FS409+16 TO FS409+128, AND BETWEEN RBL6 TO RBL8, FLOOR BEAM HAS MULTIPLE AREAS OF CORROSION. (MARKED) (C-CHECK RO 3-25-22) REMOVED AND REPLACED FLOOR BEAM CAP AT FS409+16 TO FS409+128, AND BETWEEN RBL6 TO RBL8 WITH A NEW IDENTICAL UNIT IAW REO 601R-53-31-1219 REV. -- DATE: 2022-02-04. COMPLIED WITH TASK CARD 51-900-1003-SKY. SEE CONTINUATION CARD FOR DETAILS.