What was found
DURING M-CHECK, FOUND MAIN PASSENGER CABIN STA 160-200, RBL 44, FLOOR PANEL SUPPORT HAD CORROSION. REMOVED CORROSION ON FLOOR SUPPORT MAIN CABIN STA 160-200, RBL 44 IAW SRM 53-01, FIG 1, ORIGINAL THICKNESS .060 IAW SRM 51-13-1. MATERIAL REMOVED .030 MATERIAL REMAINING .030 FOUND TO BE OUT OF LIMITS IAW SRM 53-01, FIG 1. FABRICATED NEW FLOOR SUPPORT IAW SRM 53-13-1. TRIMMED DRILLED DEBURRED NEW FLOOR SUPPORT IAW SRM 51-10-4. TREATED AND PRIMED IAW SRM 51-10-3. INSTALLED FLOOR SUPPORT IAW SRM 51-30-5.