What was found
MAJOR REPAIR -CHECK NR C-15. NR 5870926. DISBONDED AREA ON LOWER SURFACE OF NR 4 SPOILER, 38 INCHES FROM OB END, 8 INCHES FROM AFT EDGE. SPOILER PANEL DISBOND IS BEYOND REPAIRABLE LIMITS IAW, SRM 51-70-10-2R4, FIG 208. REMOVED AND REPLACED NR 4 SPOILER IAW AMM 27-62-12-4.