What was found
DURING A MAINTENANCE VISIT FOUND CORROSION DAMAGE TO U-CHANNEL AT STA 98 AND LONGERON 36, DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED NEW U-CHANNEL AND INSTALLED IAW DC-8 SRM 51-1-4.