What was found
RT CREASE BEAM UPPER SURFACE CORRODED, BS 1440-1460. (OUT OF LIMITS) REMOVED CORROSION FROM RT CREASE BEAM, BS 1405-1680, IAW SRM 51-40-02. EXFOLIATION CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-60-13, FIG 101, .060" MATERIAL LOSS. FABRICATED NEW CREASE BEAM, BATCH3 0001710353/BAC 1515-553, IAW SRM 53-60-13. LOCATED AND DRILLED PER SRM 51-40-03. TREATED AND PRIMED IAW SRM 51-20-01. PAINTED IAW SRM 51-21-00-7. INSTALLED NEW RT CREASE BEAM, BS 1405-1630, IAW SRM 51-40-02 AND 51-20-05. THIS REPAIR IS CLASSIFIED AS A CAT. "A" MAJOR REPAIR.