What was found
MAIN CABIN FLOORBEAM STA 333 LBL 38 TO 44 HAS AREAS OF CORRODED OUT OF LIMITS IAW SRM 53-00-04. REMOVED FLOOR SUPPORT, BS 324-345, AND 2EA SUPPORT BRACKETS, BS 324, LBL 38 AND 40, IAW SRM 51-40-02. RECEIVED NEW FLOOR SUPPORT, BS 324-345, LBL 38-40, PN 141N5170-11, ON MAE PO MAG0093664. LOCATED AND DRILLED NEW FLOOR SUPPORT AND ALL REPAIR PARTS IAW SRM 51-40-05. INSTALLED NEW FLOOR SUPPORT, BS 324-345, LBL 38-40, 2EA. SUPPORT BRACKETS, BS 324, LBL 38 AND 40, AND ALL REPAIR PARTS, IAW SRM 51-40-02. THIS REPAIR IS CLASSIFIED AS A CAT "A" MAJOR REPAIR.