What was found
LT AFT BEAMS NUT PLATES HAVE CORROSION UNDER THEM AS MARKED WHEN VIEWED FROM ABOVE FLOOR. REMOVED FLOOR SUPPORT, REMOVED NUT PLATES, FOUND U-CHANNEL WITHIN FLOOR SUPPORT TO BE CORRODED 90 PERCENT MAT LOSS, BEYOND LIMITS. FABRICATED REPAIR U-CHANNEL FOR 2024 T3 .050. DRILLED, DEBURRED, ALODINED, PRIMED, AND INSTALLED. INSTALLED NEW NUT PLATES AND REINSTALLED FLOOR SUPPORT IAW SRM 53-01 FIG 2, 53-11-3, AND 51-10-2.