What was found
DURING C-2 CHECK, INSPECTION FOUND INTERCOSTAL AT FS 1020 CORRODED AT STRINGER 33R. REMOVED AND REPLACED INTERCOSTAL AT FS 1020 IAW DC8 SRM 53-2-0 AND 51-1-21. TREATED AND PRIMED IAW DC8 SRM 51-1-8. TASK NR 80644, CORROSION CARD NR 5590-0551.