What was found
MAIN CABIN R/H FLOOR MOP SILL / CREASE WEB ANGLE HAS AREAS OF CORROSION ON UPPER SURFACE BETWEEN BS 1320 AND BS 1360. REMOVED CORROSION AT MAIN CABIN R/H CREASE WEB ANGLE "CHORD" ON UPPER SURFACE BETWEEN BS 1320 - 1360 IAW B 757 SRM 51-10-02-OG.EVALUATED AREA ORIGINAL MAT .100" LOWEST REM .087" MAT LOSS .013" FOUND TO BE OUT OF LIMITS IAW B 757 SRM 53-60-15-01 FIG 1 DETAIL II & 53-60-15-1A FIG 101 DETAIL VI. REMOVED AND REPLACED CREASE WEB ANGLE "CHORD" BETWEEN STA 1290 - 1370 P/N 146N8326U2 P.O # FS2101734 IAW B757 SRM 51-40-02-OG AND BOEING DWG 146N8326 REV : C.