What was found
ABI - DURING AN MBV INSPECTION, THE LEFT OMEGA BEAM AT FRAME 20 WAS FOUND TO BE CORRODED BELOW SRM LIMITS. CUTOUT DAMAGED SECTION OF LEFT OMEGA BEAM CLEANED AND TREATED THE REPAIR AREA. FABRICATED AN EXTERNAL ANGLE, FILLER AND TWO SHIMS. REPAIR DONE IAW EMB SRM, EMB 145/1142 REV 22, CHAPTER 53-21-10 FIG 201, SHEET 1 AND CPM 51-61-00. (M)