What was found
MAIN CABIN FLOOR SUPPORT STA 324 TO 345 LBL 20 HAS AREAS OF CORRODED OUT OF LIMITS. REMOVED CORROSION FROM MCD FLOOR STRUCTURE, BS 324-345, LBL 20, IAW SRM 51-10-02. CHECKED LIMITS AND FOUND TO BE OUT OF LIMITS PER SRM 53-00-04; ORIG. MATL. THICKNESS; .055", AFTER REWORK; .045", MATL. REMOVED .010". REMOVED FLOOR SUPPORT, BS 324-345, LBL 18-20, AND 2EA. SUPPORT BRACKETS, BS 324, LBL 18 AND 20, IAW SRM 51-40-01. RECEIVED NEW FLOOR SUPPORT, BS 324-345, LBL 18-20, PN 141N5170-30, ON MAE PO MAG0093664. LOCATED AND DRILLED NEW FLOOR SUPPORT IAW SRM 51-40-05. INSTALLED NEW FLOOR SUPPORT, BS 324-345, LBL 18-20, 2 EA SUPPORT BRACKETS, BS 324, LBL 18 AND 20, AND ALL REPAIR PARTS IAW SRM 51-40-02. THIS REPAIR IS CL