As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSANGER CABIN; STA 540; BL0 TO LBL 24; LATERAL FLOOR SUPPORT IS CRACKED ON INBOARD END. / REMOVED AND REPLACED LATERAL FLOOR SUPPOR P/N 143A5240-3 ON PASSENGER CABIN STA 540; BL '0' TO LB 24' IAW B737-700 SRM 51-40-05-0G-0 SRM 51-40-02-0G-0; AMM 51-21-91-620-802 AND DWG # 143A0060 RE: B.