As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK INSPECTION IN BNA, STRINGER 18 LEFT WAS FOUND CORRODED BETWEEN FRAME 13A AND SPLICE JUST FORWARD OF FRAMES 15 AND 16. MAINTENANCE REMOVED AND REPLACED THE CORRODED SECTION OF STRINGER IAW SRM'S 51-25-00 AND 51-40-02. (M)