What was found
AFT CARGO DOOR THRESHOLD HAS CORROSION ON UPPER SURFACE. GROUNDED - YES. REMOVED CORROSION, EVALUATED REMAINIG THICKNESS, ORIGINAL THICKNESS .050, REMOVED .007, REMAING THICKNESS .043 FOUND TO BE OUT OF LIMITS, REMOVED AFT CARGO WEB, LOCATED AND DRILLED NEW WEB PART NUMBER: 146A8123U25 PO:1146584.1, AND INSTALLED NEW WEB IAW SRM 53-60-15, SRM 51-40-05, SRM 51-40-02, AND BAC DWG 146A86640 REV-.