As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B737-MP-2000-53-110-00 ON RH FLOOR CREASE PLATE JUST AFT OF R1 DOOR UNDER FASTENER HOLE AT STA 332.1 HAS CORROSION. REMOVED AND INSTALLED NEW CREASE BEAM ON FLOOR STRUCTURE R1 DOOR BETWEEN BS260 TO BS360 RBL58 IAW B737-800 SRM 51-40 02-OG-0 AND DWG 141A8310 REV-.