What was found
DURING A MAINTENANCE VISIT, FOUND INTERCOSTAL CORRODED BEYOND LIMITS IAW DC-8 SRM, AT STA 260 TO STA 274 AND LONGERON 33 RIGHT. REMOVED DAMAGED INTERCOSTAL, TREATED AREA IAW DC-8 SRM. FABRICATED AND INSTALLED NEW INTERCOSTAL IAW DAC DWG 9890702 AND DC-8 SRM 53-2-0 FIGURE 1F.