What was found
MAIN CABIN FLOORBEAM STA 340 LBL 32 TO 37 HAS AREA OF CORRODED OUT OF LIMITS. REMOVED CORROSION MCD STR STA 340 LBL 32-37 IAW SRM 51-10-02 CHECKED LIMITS. ORIG MAT THICKNESS = .032, AFTER REWORK MAT THICKNESS .018, MAT LOSS= .012 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-04. REMOVED FLOOR SUPPORT MCD STR STA 340 LBL 32-37 AND 2 EA, NUTPLATES IAW SRM 51-40-02 RECEIVED FLOOR SUPPORT PN 141N5170-3ON PO MAG--94727. LOCATED AND DRILLED FLOOR SUPPORT IAW SRM 51-40-05 INSTALLED 2 EA NUTPLATES, 2EA BRACKETS AND FLOOR SUPPORT MCD STA 340 LBL 32-37 IAW SRM 51-40-02.