What was found
SUPPLEMENTAL INFORMATION: MAIN CABIN CENTER WING FLOOR SUPPORT BREAK CRACKED @ LBL-1 STA 540 MKD DOT ; / [01] REMOVED MAIN CABIN CENTER WING FLOOR SUPPORT BRACKET LBL-1 STA 540. IAW B 737-7 SRM 51-40-02.; [02] LOCATED AND DRILLED NEW FLOOR SUPPORT . IAW B 737-7 SRM 51-40-05.; [03] VERIFIED STEPS 1 AND 2.; [04] OK TO INSTALL BREAK ASSY; [05] REMOVED AND INSTALLED NEW BREAK ASSY AT MAIN CABIN CENTER WING LBL-1 STA 540 REF B 737-7 SRM 51-40-02 AND DWG #134A5240; [06] VERIFIED STEP 5; [07] VERIFIED STEP 5