As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 4Y/2Y INSPECTION IN BNA, SEAT TRACK FLANGE AT FS 294, AT BL 0 IS CORRODED. CORROSION ON SEAT TRACK IS WITHIN LIMITS IAW SRM 53-70-60 AFTER REMOVED. ANGLE ON FWD END F/O SEAT TRACK WAS REPLACED DUE TO HEAVY CORROSION DAMAGE. AIRCRAFT RETURNED TO SERVICE 11/28/04.