What was found
DURING AN MBV INSPECTION, THE LEFT FLOORBEAM AT FRAME 20 WAS FOUND TO BE CORRODED BELOW SRM LIMITS. CUTOUT A 4 INCH SECTION OF DAMAGE FLOORBEAM AND TREATED THE BARE METAL. FABRICATED AN EXTERNAL ANGLE, FILLER AND TWO SHIMS. REPAIR DONE IAW EMB SRM, SRM EMB 145/1142 REV 21, CHAPTERS 53-21-10 FIGURE 201 SHEET 1. (M)