What was found
TYS During a scheduled inspection, The left omega beam was found corroded at frame 20. Maintenance removed damaged area, fabricated repair filler, shims & external angle. Alodined, primed and installed repair parts. I.A.W.-EMB-135/145-SRM-51-40-02, 53-21-10 and CMP-51-21-04 & 05. The repair was satisfactory and the aircraft will be released upon complection of inspection.