What was found
ABI - DURING INSPECTION OF AIRCRAFT, A PREVIOUS REPAIR ON THE LEFT OMEGA BEAM AT FRAME 20 WAS FOUND TO BE CORRODED. REMOVED THE CORRODED REPAIR. FABRICATED AN EXTERNAL ANGLE, FABRICATED A FILLER AND THREE SHIMS. REPAIR DONE IAW EMB SRM, SRM 145/1142 REV 28, CHAPTER 53-21-10 FIG 201. (M)