As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN BS 1640 FLOORBEAM UPPER TEE CAP CORRODED BETWEEN BL 0 AND LBL 10. BLENDED CORROSION AND FOUND MATERIAL LOSS OUT OF SRM LIMITS. CUT OUT DAMAGE FROM RBL 3 - LBL 10. ACCOMPLISHED NDT OF REPAIR CUT-OUT AREA. NO DEFECTS. FABRICATED AND INSTALLED TEE, ANGLES AND STRAPS REPAIR REF SRM 53-00-51 FIG 201 REPAIR 3.