As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK FLOOR STRUCTURE BREAK PANEL ON BS 540 BTW LBL 24.75 TO LBL 45.50 AT PASSENGER CABIN. REPLACED FLOOR STRUCTURE BREAK PANEL ON BS 540 BTW LBL 24.75 TO LBL 45.50 AT PASSENGER CABIN I.A.W. B737-700 SRM 51-40-02 AND DWG 143A0060 SHEET 36 REV. A DUE TO NOT FOUND ALLOWABLE DAMAGE ON SRM B737-700 53-40-51. CRACK LENTH: 0.642.