What was found
DURING C CK, THE RHW RIB 6 FITTING FWD LUG WAS FOUND CORRODED. RH WING MLG RIB 6 FWD LUG, FWD SPT FACE FOUND CORROSION BEYOND WORK CARD, TO CARRY OUT CORROSION REMOVAL. CORRECTIVE ACTION: NEW OVERSIZE BUSHES WERE MANUFACTURED AND INSTALLED IN ACCORDANCE WITH R575-58471 ISSUE E AS WELL AS THE TR TO ALLOW FOR THE USE OF A PREVIOUS REVISION OF THE SERVICE BULLETIN.