What was found
CORROSION ON FCB FWD R/H FLOOR-TO-SIDEWALL SUPPORT; BS 400+2; RBL 24; WL 156 (MARKED) ; / REMOVED CORRISION FROM FCB FWD R/H FLOOR-TO-SIDEWALL SUPPORT; BS 400+2; RBL 24; WL 156. P/N 143A7501-2; IN AREA 0.3' X 0.4' X 0.019' DEEP; ORIGINAL THICKNESS 0.04' FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 PER 4.A(2) FIG. 103 DETAIL A <BR>TOOL USED <BR>-DEPTH GAGE <BR>ID:ATS2472. S/N: UNKNOWN. DUE DATE: 06/2022; [03] VERIFIED REMOVED CORRISION FROM FCB FWD R/H FLOOR-TO-SIDEWALL SUPPORT; BS 400+2; RBL 24; WL 156. P/N 143A7501-2; IN AREA 0.3' X 0.4' X 0.019' DEEP; ORIGINAL THICKNESS 0.04' FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 PER 4.A(2) FIG. 103 DETAIL A.; [04] FABRICATED NEW FCB FWD R/H FLOOR TO SIDEWALL SUPPORT; BS 400+2; RBL 24; WL 156 USING BAC1496-444 7075 T62 EXTRUSION LOT NO: 1457271-1 PER BOEING DRAWING 143A7501.; [05] LOCATED AND DRILLED NEW FCB FWD R/H FLOOR TO SIDEWALL SUPPORT; BS 400+2; RBL 24; WL 156 PER BOEING DRAWING 143A7500 AND SRM 51-40-05-0G-0.; [06] OK TO APPLY CHEMICAL CONVERSION COAT AND PRIMERREQUIRE OK TO INSTALL; [11] VERIFIED OK TO INSTALL; [12] INSTALLED NEW FCB FWD R/H FLOOR TO SIDEWALL SUPPORT; BS396- 420; RBL 24; WL 156 IAW SRM 51-40-02 AND BOEING DRAWING 143A7500