What was found
TYS, During a scheduled 1C inspection, corrosion was found on the left omega beam ar FR20 under the carbon fiber beam. Maintenance cut out the damage, fabricated an external angle, plate and filler I/A/W-EMB-135/145-SRM-53-21-10 and reinstalled the left ramp angle and "L" profile. I/A/W-EMB-135/145-SRM-51-40-02 and 53-21-10. Repair procedure was satisfactory and aircraft will be released upon complection of inspection.