What was found
***CORROSION*** FWD CARGO BAY L/H FLOOR TO SIDE WALL SUPPORT HAS AREAS OF CORROSION STA 400 TO STA 500D / BLENDED MULTIPLES AREAS AROUND FLOOR TO SIDEWALL SUPPORT STA 400-500D 1' X 1' X .005' ORIGINAL THICKNESS .040' IAW SRM 53-00-53-1A-2 BLEND FOUND TO BE OUT OF LIMITS. FABRICATED FCB L/H FLOOR TO SIDEWALL SUPPORT BS400-500D. MATERIAL BAC1496-444 #7075T62 AND SPLICE SIDEPLATE MATERIAL BAC 1496- 444 #7075-T62 LOT 1391220-2 IAW SRM 53-00-53-2R-6. LOCATED AND DRILLED IDW SRM 51-40-05 AND SRM 53-00-53-2R-6. APPLIED CHEMICAL CONVERSION COATING AND PRIMER IAW AMM 51-21-44 AND SRM 21-20-01. INSTALLED FCB L/H FLOOR TO SIDEWALL SUPPPORT BS 400-500D IAW DWG 143A7500 AND SRM 51-40-02; SRM 51-40-10.