What was found
MAIN CABIN CENTER AISLE FLOOR PANEL 241DF UPPER SURFACE LAYERS DELAMINATED ; / [01] PERFORMED VISUAL INSPECTION AND TAP-TEST AT FLOOR PANEL#241DF FOUND DELAMINATION AND MULTIPLE DAMAGE PER<BR>B737 NTM 51-05-01 FLOOR PANEL OUT LIMITS PER B737SRM 53-00-50-1A-1; [02] VERIFIED STEP 1; [03] REPLACED MAIN CABIN FLOOR 241DF; TAG #WN9123; P.O.# 1728471; FLOOR BEING INSTALLED ON CARD # TTG8Q005VZL5; [04] VERIFIED STEP 3