As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN FLOORBEAM STIFFENER STRAP CORRODED. POSSIBLE BEAM LOWER CHORD WITH CORROSION BS 1130, RBL 54. CUT OUT DAMAGE. FABRICATED NEW STRAP, TREAT PRIME AND INSTALLED NEW STRAP. REMOVED CORROSION AT BEAM LOWER CHORD PER SRM 53-10-1 FIG 3 AND FCD 5316-63307.