What was found
DURING A C-CHECK IN BNA, THE PASSENGER DOOR OUTBOARD CENTER AND FORWARD NUTPLATE ON THE FIRST AND FOURTH STEPS, THE OUTBOARD CENTER AND INBOARD AFT NUT PLATE ON THE SECOND AND THIRD STEPS, AND THE OUTBOARD AFT NUT PLATE ON THE FOURTH STEP WERE FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REPAIRED THE PASSENGER DOOR OUTBOARD CENTER AND FORWARD NUT PLATE ON THE FIRST AND FOURTH STEPS, THE OUTBOARD CENTER AND INBOARD AFT NUT PLATE ON THE SECOND AND THIRD STEPS, AND THE OUTBOARD AFT NUT PLATE ON THE FOURTH STEP IAW ASA EO 72-52-0030. (M)