As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BELOW CABIN FLOOR SUPPORT BREAK CRACKED AT CENTER WING BOX LBL 2 STA 540<[01] REMOVED AND REPLACED SUPPORT BREAK ASSY AT MAIN CABIN STA 540 BETWEEN BL 0 TO LBL 24 REF B737-700 SRM 51-40-02-0G-0 AND DWG# 143A0060.;[02] VERIFIED STEP 1 REMOVAL AND REPLACEMENT OF SUPPORT BREAK.