What was found
DURING C-CHECK INSPECTION IN BNA, THE SILL PLATE AT FRAME 13, RUNNING LEFT TO RIGHT, WAS CORRODED FROM THE CENTER TO THE RIGHT SIDE. MAINTENANCE CUT AWAY THE DAMAGED PORTION OF THE SILL PLATE. A NEW REPLACEMENT PART AND SPLICE PLATE WERE FABRICATED IAW SRM 51-10-02, SRM 51-21-05, AND SRM 51-21-06. MAINTENANCE INSTALLED THE SILL REPAIR IAW SRM 51-40-02. (M)