As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 4C INSPECTION MRB TASK 5320-151-01I, REVEALED MODERATE CORROSION AROUND SCREW HEAD ON THE PAX SEAT TRACKS. REMOVED CORRODED SEAT TRACKS AND INSTALLED SERVICEABLE SEAT TRACKS USING MASTINOX ON ALL SCREWS. ALL DONE IAW AERODESIGN REPORT NR 2141-1.