What was found
AFT CARGO DOOR CUT-OUT, WEB CORRODED BS 803-BS 830, RBL 26. ACFT GROUNDED. REMOVED CORROSION FROM AFT CARGO CUT-OUT SILL WEB FROM BS830, RBL 26. ORIGINAL MATERIAL THICKNESS 0.056. MATERIAL LOSS 0.016. MAX ALLOWABLE MATERIAL LOSS 0.005. REMAINING MATERIAL THICKNESS 0.040. AREA OUT OF LIMITS IAW SRM 53-60-15-1A-1. REMOVED AFT CARGO DOOR CUT-OUT OF LIMITS IAW SRM 51-40-02. LOCATED AND DRILLED FASTENER HOLES IN NEW WEB IAW SRM 5-40-05 AND BAC DWG 146A8123. INSTALLED NEW WEB IAW SRM 51-40-02 AND DWG 146A8120 .