What was found
DURING A MAINTENANCE VISIT FOUND CORROSION, FUSELAGE, RT UPPER CUSP FRAME AT STA 560 ATTACH ANGLE, LONGERON 21 LEFT. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED IAW DAC DWG 5753488 AND DC8 SRM 51-1-21 AND 51-3-0. (CORROSION DAMAGE RECORDED IN EWA CORROSION PROGRAM).