What was found
RT WING, NR 4 SPOILER I/B CTR HINGE ARM I/B SURFACE DELAMINATED (S=30MM X 40MM,D=1.5MM), O/B CTR HINGE ARM O/B SURFACE DELAMINATED (S=30MM X 25MM,D=1.45MM). RT WING, NR 4 SPOILER I/B & O/B CTR HINGE ARM DELAMINATED. COMPLY WITH EA: 6-5750-T0356104; TITLE: WING-FLIGHT SURFACES-RT NR 4 SPOILER CENTER HINGE ARM OUTSIDE SURFACE DELAMINATION. THIS IS CAT A REPAIR, MAJOR REPAIR IAW FEDEX GMM 6-2-100.