What was found
LEFT WING CORROSION ON CLIP STA 58 ON REAR SPAR (INSIDE OF TANK). REMOVED CORRODED CLIPS, ORDERED, DRILLED AND DEBURRED, TREATED AND PRIMED AND INSTALLED NEW CLIPS IAW DC-9 SRM'S 51-30-5, 51-30-4, 51-20-3. CORROSION REMOVED WITHIN LIMITS, .0002 PERCENT LOSS. NON-ROUTINE REF NR 027N1-0707. (X)