As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AIRCRAFT 5646, L/P 0764437) CORROSION IN THE MAIN CABIN FLOORBEAM EXISTING UPPER SURFACE BS 365 BETWEEN BL.0 AND RBL. 38. REMOVED PREVIOUS REPAIR FROM MAIN CABIN FLOORBEAM UPPER SURFACE STA 365 BETWEEN BL0 - RBL 38 DUE TO NO ALLOWABLE LIMITS ON PREVIOUS REPAIRS CUT OUT SECTION OF STA 365 FLOORBEAM FROM RBL 38 TO RBL 65 AND INSTALLED NEW REPAIR IAW SRM 53-00-51 REPAIR 10 FROM BL0 TO RBL65.