What was found
RT CREASE BEAM OUTER CHORD STA 378 TO 430 CORRODED AT NUTPLATES AND FASTNER HOLES. REMOVED CORROSION IAW SRM 51-10-02, ON CREASE BEAM INBD CHORD, BS 297-430. FOUND TO BE OUT OF LIMITS IAW SRM 53-30-13, FIG 101, DETAIL 8; BEFORE: .071", AFTER: .057", LOSS: .014". REMOVED CREASE BEAM IAW SRM 51-40-02. FABBED NEW CREASE BEAM PN BAC 1515-553, BATCH NR 0001827675 AND DWG 141N8422. LOCATED/DRILLED IAW SRM 51-40-05. TREATED/PRIMED IAW SRM 51-21-01. APPLIED TOPCOAT IAW AMM 51-21-00-7. INSTALLED NEW CREASE BEAM, INBD CHORD, AT BS 297-430, RT, IAW SRM 51-40-02. MAJOR REPAIR.