As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT FUSELAGE FLOOR SILL HAS CORROSION AT FRAME 18-20. REMOVED LIGHT CORROSION ON RT FUSELAGE FLOORSILL AT FRAME 18-20 . MAKING DOUBLER FOR AFT SILL. INSPECTED DAAMAGE AREA AFTER BLEND NO DEFECTS NOTED. ATTACHED DOUBLER FABRICATED REPAIR ANGLES AND INSTALLED WET WITH SEALANT.