What was found
FWD MAIN CABIN FLOOR SUPPORT, STRAP UPPER SKIN HAS CORROSION AROUND FSTNR HOLE, LBL-13, BS326. GROUNDED - YES. REMOVED CORROSION ON FLOOR SUPPORT AT STA. LBL-13 BS326,ORIGINAL THICKNESS .080 REMAINING THICKNESS .054 REMOVED .026 FOUND TO BE OUT OF LIMITS PER B737-800 SRM 53-10-51-1A-1, REMOVED, LOCATED & DRILL. AND INSTALLED NEW FLOOR SUPPORT P/N 141A5410-13 PER B737-800 SRM 51-40-02 BOEING DRAWING# 141A5400 SHEET 27.