What was found
DURING A C-CHECK, THE FLOORBEAM AT FS 559+80, BETWEEN THE RT SIDE FLOOR SILL AND RBL 27.00, WAS FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REMOVED AND REPLACED THE FLOORBEAM AT FS 559+80, BETWEEN THE RT SIDE FLOOR SILL AND RBL 27.00, IAW SRM. (K)