What was found
DURING INSPECTION OF THE LOWER WING SKIN PER EO 4-37113-3, CORROSION WAS DISCOVERED ON THE AFT SKIN BETWEEN S-5C AND S-3C AT APPROXIMATELY LBL 30 AND RBL 30. MTC REPORTS A MINIMUM REMAINING THICKNESS OF .067 AT THE RT DAMAGE AREA AND A MINIMUM REMAINING THICKNESS OF .122 AT THE LT DAMAGE AREA. THE SUBJECT LOWER SKIN IS MANUFACTURED FROM 0.563 2024-T351 WITH A LOCAL THICKNESS OF 0.220 AND SKIN PADS OF 0.390. FINAL CLEANUP DIMENSIONS ARE APPROXIMATELY 16 INCHES FWD TO AFT, BY 6 INCHES I/B TO O/B ON THE RT SIDE AND 6 INCHES FWD TO AFT BY 5 INCHES I/B TO O/B ON THE LT SIDE. REPAIRS ACCOMPLISHED PER DL ERA 302540-14AD.