What was found
FOUND DURING C-CHECK, FLOORBOARD SUPPORT CHANNEL IS CORRODED AT FLOOR BOARDS 122 EZ AND 122 FZ. REFER TO CELSIUS TASK CARD 1544 AND W/O18843. MAINTENANCE REMOVED CORRODED NUT PLATES IAW SRM 51-0-40, AND 51-40-21. FOUND OUT OF LIMITS AFTER CORROSION REMOVAL IAW SRM 51-10-10. FABRICATED FLOOR BOARD CHANNEL AS PER SAMPLE, ALODINED, PRIMED AND TOPCOATED IAW SRM 51-20-42/43. INSTALLED NEW NUT PLATES IAW SRM 51-40-21.