As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR PANEL SUPPORT IS CRACKED AT BS540 LBL23; WL208 / REMOVED FLOOR PANEL SUPPORT FROM BS540; FROM BL0- LBL23 IAW B737-700 SRM 51-40-02-OG-0. LOCATED AND DRILLED PER B737-700 SRM 51-40-05-OG-0 AND BOEING DWG. #143A0060; OK TO INSTALL NEW FLOOR PANEL SUPPORT. LEAD 18 3/3/21 INSP 52 03MAR21 INSTALLED NEW FLOOR PANEL SUPPORT P/N 143A5240-35 AT BS540 BETWEEN BL0-LBL23; WL208 IAW B737-700 SRM 51-40-02-OG-0 AND BOEING DWG #143A0060.