As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR BEAM STA 720 RBL 45 IS CORRODED ON PREVIOUS REPAIR. REMOVED CORRODED PREVIOUS REPAIR O FLOOR BEAM AT STA 720 BETWEE N RBL 24 - RBL 60 AND INSTALLED SERVICEABLE NEW UPPER T CHORD IA W B757-200 SRM 51-40-02 PARA 7. WORK PERFORMED BY V921726 AND V9 21224.