As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON TOP SIDE OF NR 4 SEAT TRACK AT STATION 200 AND CORROSION ON BOTTOM OF UPPER FLANGE AROUND THREE FASTENER HOLES AT STATION 221 TO 230 OF NR 4 SEAT TRACK. REMOVED SEAT TRACK AT STATION 221 TO 230 AND INSTALLED SEAT TRACK REPLACEMENT AND SPLICE.