As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN LH FLOOR SILL HAS LIGHT CORROSION ON UPPER SURFACE BETWEEN FRAME 19 & 20 LH. REMOVED LH FLOOR SILL AT FRAME 19 & 20 LH. REFAB AND INSTALL LH FLOOR SILL AT FRAME 19 & 20 LH BUT STILL HAVE FEW RIVITS THAT NEED TO BE INSTALLED. INSTALLED MAIN CABIN LH FLOOR SILL ON UPPER SURFACE BETWEEN FRAME 19 & 20 LH.