What was found
FLOORBOARD HAS SURFACE CORROSION BEYOND LIMIT AND CHAFED ON BOTTOM SIDE AROUND SCREW HOLES AT STA 180, BL 44 RT, AND CORRODED BEYOND LIMIT AT STA 160, RBL 1-21. REMOVED CORROSION AND BLENDED CHAFED AREA IAW DC9 SRM 51-10-3, 53-01, FIG 1. FAB'D REPAIR DOUBLER FROM 7075T6 .032. DRILLED, COUNTERSUNK, DEBURRED, TREATED AND PRIMED. INSTALLED IAW DC9 SRM 53-05, FIG 1, 51-10-4, 51-10-3 AND 51-30-2. FAB'D NEW SUPPORT IAW DC9 SRM 51-10-1, FIG 22, 53-11-1, ITEM 10, AND 51-10-1. CUT AND TRIMMED TO FIT. FITTED, DRILLED, DEBURRED, TREATED, PRIMED AND INSTALLED SUPPORT ANGLE IAW DC9 SRM 51-10-2, 51-10-4, 51-10-3 AND 51-30-2. INSTALLED FLOORBOARD STA 160 CENTER IAW DC9 SRM 51-30-1.