What was found
DURING ACCOMPLISHMENT OF S.I. 3-69482-12, CRACKS WERE DISCOVERED IN THE BS 178 BULKHEAD WEB AND THE RBL 5.7 VERTICAL STIFFENER. THE VERTICAL STIFFENER AT RBL 5.7 ADJACENT TO WL 15 HAS A 1 INCH CRACK ALONG THE RADIUS. THE CHORD IS MANUFACTURED FROM BAC1505-100361 7075-T6 ALTERED EXTRUSION. THE WEB WAS FOUND CRACKED AT SEVERAL LOCATIONS BETWEEN WL 184.5 AND WL 207 AND LBL 5.7 TO RBL 5.7. THE WEB IS MANUFACTURED FROM 0.040 INCH 2024-T3 CLAD.