What was found
AFT CABIN AT STA 951 FLOOR BEAM UPPER SURFACE HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE IAW B737-800 SRM 51-10-02, FOUND TO BE OUT OF LIMITS I.A.W. B737-800 SRM 53-70-51-1A-1 ORIGINAL THICKNESS .180, MAT REMAINING .142 IAW B737-800 SRM 53-70-51-01-1, FABRICATED REPAIR STRAP IAW B737-800 SRM 53-70-51-2R-8, ALODINED AREA & STRAP I.A.W. B737-800 SRM 51-20-01, PRIMED AREA & STRAP PER SOPM 20-41-02, FILLED BLENDED AREA I.A.W. B737-800 SRM 51-70-01-2R-0 INSTALLED REPAIR STRAP I.A.W. B737-800 SRM 53-70-51-2R-8 FIG 203 AND SRM 51-40-02.