What was found
PIT - DURING Q2 CHECK, FOUND 1 INCH BY 1 INCH CORROSION ON AND AROUND FASTENER HOLES, QTY 4, AT FLOOR SUPPORT STATION 636 BETWEEN LONGS 28L AND 29R. CORROSION TASK NR C51-53300, CORROSION LEVEL 2. REPLACED FLOOR SUPPORT PER EA 53012. (M)