What was found
TYS DURING A SCHEDULED INSPECTION, CORROSION WAS FOUND ON THE LEFT OMEGA BEAM AT FRAME 20. MAINTENANCE REMOVED THE DAMAGED SECTION, FABRICATED NEW ANGLE, SHIM, FILLER AND PLATE. INSTALLED REPAIRED PARTS AND FLOORBEAM IAW EMB-135/145-SRM-53-21-10 & 53-40-02, CPM-51-21-04, 05, 06 AND EC5320-01010 (6.1.3). REPAIR PROCEDURES WERE SATISFACTORY. AIRCRAFT RELEASED FOR SERVICE.