What was found
CORROSION - LEFT KEEL BEAM SKIN BETWEEN STA 1060 TO STA 1080 (REPAIR). REWORK AREA DETAIL DATA AND DIMENSION REFER TO DATA SHEET CONTROL NO.T3F18E005YFJB-1. IT IS WITHIN ALLOWABLE DAMAGE LIMIT I.A.W SRM 53-40-12-1A-1 REV.102. RE-INSTALL FASTENERS I.A.W SRM 51-40-02-0G REV.102 AND BOEING DWG NO.65B01828 SH44 REV.C AND DWG NO.65B01828 SH34 REV.A. APPLY PROTECTIVE COATNG AND PRIMER I.A.W SRM 53-40-12-1A-1 REV.102.