As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A C-CHECK IN BNA, THE CROSSBEAM AT FS 36 BETWEEN THE LEFT AND RIGHT SIDE WALLS WAS FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REPAIRED THE CROSSBEAM AT FS 36 BETWEEN THE LEFT AND RIGHT SIDE WALLS IAW SRM 51-24-00 AND 51-25-01. (M)