As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/H FLOOR SILL FR 61-65 HAS CORROSION AROUND NUTPLATES- FLOOR SILL FOUND TO BE OUT OF LIMITS. STARTED REMOVING FLOOR SILL. REMOVED THE CARBON RING LOWER TO FOM. REMOVED FLOOR SILL, PROCURED NEW FLOOR SILL. REQUIRE LOCATING HOLES AND INSTALLATION. INSTALLED FLOOR SILL, REQUIRE COMPOSITE RING BOTTOM PART TO BE INSTALLED. INSTALLED BOTTOM CARBON FIBER RING AT FR 61.