What was found
MAIN CABIN CENTER WING FLOOR SUPPORT BREAK CRACKED @. STA 540 RBL 1 MKD DOT / [01] REMOVED MAIN CABIN CENTER WING FLOOR SUPPORT AT STA 540 RBL 1 AS PER B-737-700 SRM 51-40-02-0G-0.;[02] NEW PART LOCATED AND DRILLED AS PER B-737-700 SRM 51-40-05-0G-0.;[03] OK TO INSTALL<BR>VERIFIED STEPS 1 & 2;[04] NEW PART INSTALLED AS PER B-737-700 SRM 51-40-02-0G-0.;[05] ADDING DRWG # 143A5240.;[06] VERIFIED 4; 5<BR>C/W;[07] COMPLETED.;[08] ACCOMPLISHED REMOVAL PARTS TRANSACTION IN MXI.;[09] COMPLETED