What was found
DURING C-CHECK INSPECTION IN BNA, CORROSION WAS FOUND ON THE LEFT OUTBOARD CROSSBEAM AT FRAME 16. CORROSION WAS ALSO FOUND ON THE LEFT INBOARD CROSS BEAM AT FRAME 16. MAINTENANCE REMOVED AND REPLACED THE CORRODED CROSSBEAMS IAW SRM'S 51-40-05, 51-40-02, AND 51-25-00. (M)