What was found
CORROSION ON AFT CABIN WALL SUPPORT STA 986.5+7, RBL 33-45, WL 208. AFT CABIN WALL SUPPORT BS 986.5+7 RBL 33-45 FOUND TO BE OUT OF LIMITS, IAW B737-800 SRM NO ALLOWABLE LIMITS. REMOVED AND REPLACED WALL SUPPORT, IAW B737-800 SRM 51-40-02-0G-0 AND BOEING DRAWING 147A5200 REV.