What was found
CORROSION ON AFT CABIN FLOOR PANEL BREAK, STA 947.5+4, RBL 25, WL 208. AFT CABIN FLOOR PANEL BREAK AT BS 947.5+4 RBL 25 FOUND TO BE OUT OF LIMITS, IAW B737-800 SRM 53-70-51-1A-1. REMOVED AND REPLACED PANEL BREAK, IAW B737-800 SRM 51-40-02-0G-0 AND BOEING DRAWING 147A5650.