What was found
MAIN CABIN CENTER WING FLOOR SUPPORT BREAK CRACKED @. STA 540 LBL 1 MKD DOT / [01] OPENED FLOOR CABIN 231UF FOR ACCESS IN REF B-737-700 SRM 53-21-00-000-801.;[02] REMOVED MAIN CABIN CENTER WING FLOOR SUPPORT AT STA 540 LBL 1 AS PER B-737-700 SRM 51-40-02-0G-0.;[03] NEW PART LOCATED AND DRILLED AS PER B-737-700 SRM 51-40-05-0G-0.;[04] OK TO INSTALL;[05] VERIFIED STEPS 1; 2 & 3;[06] NEW PART INSTALLED AS PER B-737-700 SRM 51-40-02-0G-0.;[07] ADDING DRAWING #143A5240.;[08] VERIFIED 6; 7<BR>OK TO REINSTALL FLOOR PANEL;[09] CLOSED FLOOR CABIN PANEL 231UF IN REF B-737-700 SRM 53-21-00-400-801.;[10] ACCOMPLISHED REMOVAL PARTS TRANSACTION IN MXI;[11] VERIFIED 9; 10