As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPPER FLOOR BS 673 TO BS 639, LBL 65 HAS CORROSION ON TOP & BOTTOM OF SILL. DURING INSPECTION, CORROSION WHICH WAS VISUALLY BEYOND LIMITS WAS NOTED ON THE CREASE BEAM INNER CHORD IN THIS AREA. CHORD REPLACED IAW BAC DWG 65-47943 AND SRM R108, REF KFC MCO 3218, WO 1364928.