What was found
FAIL SAFE CHORD HAS SURFACE CORROSION BET BSTA 700-BSTA 720 RBL 64 (NEAR R-2 DOOR). REMOVED CORROSION FROM CHORD STA 600-720 ORIGINAL MAT .080 REMOVED .030 FOUND TO BE OUT OF LIMITS IAW SRM 53-30-15 DET III, PAG 106. R & R CHORD, PN 143N8328U54, MAJOR REPAIR .