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 TEE ANGLE AT THE INBOARD SIDE OF THE SERVICE DOOR THRESHOLD BETWEEN FS 36-38 WAS FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REMOVED AND REPLACED THE TEE ANGLE AT THE INBOARD SIDE OF THE SERVICE DOOR THRESHOLD BETWEEN FS 36-38 IAW SRM 51-25-01. (M)