What was found
C-check/web between fr. 25 an fr. 26 above str. 45R has 10 sq. in. of corrosion.Corrective action/ Removed corroded web IAW A300 SRM 51-30-30. Went for engineering support.Fabricated new cover plate from 0.025" 2024-T3 clad. Cutout cover plate per Fig. 1. Treated,primed an topcoat on cover plate an cutout per A300 SRM 51-41-12.OK to install new cover plate IAW A300 SRM 51-30-30. Installed cover plate per A300 SRM 51-30-30.