As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
'CORROSION' UPON REMOVAL OF FLIGHT ATTENDANT SEAT FOUND LARGE BULGE UNDER MOON MAT AT BS 312; LBL 6; WL 208.1 / REMOVED AND RE-INSTALLED MOON MAT; WATER BARRIER UNDER LAV A; FLOOR PANEL AT MAIN CABIN FWD WET AREA IRW B737-700 AMM 25-27-21-000-801; 53-21-00-000-801; 53-21-00-400-801 AND 25-27-21-400-801. (CORROSION REPAIR OM FLOOR BEAM AT STA 312 WAS ACCOMPLISHED ON NR W147123