What was found
TYS, DURING A SCHEDULED INSPECTION CORROSION WAS FOUND ON THE PROFILE Z AFT OF FRAME 23. MAINTENANCE REMOVED AND REPLACED THE PROFILE Z. IAW EMB 135/145 SRM-51-40-02, CPM-51-21-04,05. THE REPAIR WAS SATISFACTORY AND THE AIRCRAFT WILL BE RELEASED UPON COMPLETION OF INSPECTION.