As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: UPON REMOVAL OF MAIN CABIN FLOOR PANEL, FOUND FLOOR BREAK LOCATED AT BS 540 AND LBL 0 TO LBL 24 CRACKED AT LBL 0 ATTACH POINT. REMOVED AND REPLACED BREAK ASSEMBLY AT MAIN CABIN FLOOR PANEL. PER B737-NG SRM 51-40-02.