What was found
CORROSION ON FLOOR TO SIDEWALL SUPPORT AT FWD CARGO BAY BS 500B+2.5-500C+13.5, RBL 23, WL 157. REMOVED AND EVALUATED CORROSION. DAMAGE FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. FABRICATED A NEW FLOOR TO SIDEWALL SUPPORT IAW SRM 51-40-05; 51-40-08 AND DWG 143A7501 AND APPLIED CHEMICAL CONVERSION COATING AND PRIMER IAW AMM 51-21-41-370-802, AMM 51-21-72-370-804. INSTALLED NUTPLATES IN 13EA. LOCATIONS ON REPLACEMENT FCB FLOOR TO SIDEWALL SUPPORT R/H FROM BS 500A-BS 500D IAW DWG 140N4500 REV:G AND DWG 143A7501 REV:-.