What was found
ABI - DURING AN MBV INSPECTION, THE LEFT OMEGA BEAM AT FRAME 20 WAS FOUND TO BE CORRODED BELOW SRM LIMITS. CUT OUT DAMAGED SECTIN OF OMEGA BEAM, CLEANED AND TREATED THE REPAIR AREA. FABRICATED AND EXTERNAL ANGLE, ANGLE, FILLER, AND TWO SHIMS. REPAIR DONE IAW EMB SRM 53-21-10 AND CPM 51-61-00. (M)