What was found
LT WING NR 4 SPOILER CENTER INBOARD HINGE ARM LOWER SURFACE AND CENTER OUTBOARD HINGE ARM OUTBOARD SURFACE FOUND DELAMINATION. SIZE: 50MM * 30MM DEPTH: 2.66MM, 20MM * 10MM DEPTH: 1.63MM. COMPLIED WITH EA: 6-5750-T0357699 P1. EA TITLE: WING-FLIGHT SURFACES-LT NR 4 SPOILER CENTER HINGE ARM LOWER AND OUTSIDE SURFACE DELAMINATION. REPAIRED THE LT WING NR 4 SPOILER CENTER INBOARD HINGE ARM LOWER SURFACE AND CENTER OUTBOARD HINGE ARM OUTBOARD SURFACE DELAMINATION. THIS IS CATEGORY A REPAIR. MAJOR REPAIR, IAW FEDEX GMM6-2-100.