What was found
DURING BASIC CHECK AT BNA, CORROSION WAS DISCOVERED ON THE P/N 170-60728-003 FORWARD STRINGER 28L IN THE REAR FUSELAGE. REFERENCE FIGURE 1 FOR DAMAGE LOCATION AND DETAILS. THE CORROSION REMOVAL WAS AROUND A FASTENER HOLE, WHICH IS NOT ALLOWABLE PER SRM PART II 53-30-03/AD01. THE PART WILL BE REPLACED PER EMBRAER PRODUCTION DRAWINGS AND SRM CHAPTER 51 PRINCIPLES. NO FOLLOW UP INSPECTIONS ARE REQUIRED DUE TO DIRECT REPLACEMENT OF THE PART. COMPASS HAS CLASSIFIED THIS AS A MINOR REPAIR.