As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 4K INSPECTION IN BNA, SEAT TRACK AT LBL 18.3 IS CORRODED ON INBOARD FLANGE, BETWEEN FS 294 AND FS 319. THE OUT OF LIMITS AREAS WERE REPAIRED IAW MESABA EO NR S53079. REFER EAMS WORK ORDER NR 211114/TASK 1523 FOR ADDITIONAL INFORMATION. AIRCRAFT RETURNED TO SERVICE 12/12/04.