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 BLO, BETWEEN FS 294 AND 339 IS CORRODED. DAMAGED SEAT TRACK HAS BEEN REMOVED AND REPLACED AS REQUIRED BETWEEN FS 294 AND FS 329. REFER EAMS WORK ORDER NR 211236/TASK 1525 AND MESABA EO NR S53060 FOR ADDITIONAL INFORMATION. AIRCRAFT RETURNED TO SERVICE 12/24/04.