What was found
DURING C-CHECK IN BNA, FLOOR SUPPORT T-EXTRUSION IS CORRODED AT LBL 10 BETWEEN STA 231-236 DIRECTLY IN FRONT OF THE AVIONICS RACK. MAINTENANCE REMOVED CORROSION, MATERIAL REMOVED IS OUT OF LIMITS. REMOVED T-SUPPORT, FABRICATED NEW PART FROM T-EXTENSION P/N 60-5872, 2024T3 .063 PO 55192. ALODINED AND PRIMED, APPLY TOPCOAT, INSTALLED NEW SUPPORT..