What was found
DURING INSPECTION, FOUND AFT CARGO BAY , RT AFT SHIELD UPPER AND LOWER SURFACE CORRODED. MX REPLACED AFT PIT RT AFT SHIELD IAW DWG 146A8127, ORIGINAL MATERIAL THICKNESS .050" MATERIAL LOSS .050". REPAIRED FRAME AT STA 855.95, STRINGER 25R IAW PRI ERA 518600-14, REV O AND FINAL ERA 518600-14, REV A.