What was found
DURING ROUTINE C CHECK INSPECTION, CORROSION WAS DETECTED ON CENTER WING UPPER JOINT DOUBLER AT FUSELAGE STATION 816, STRINGER 6. REPAIR ACCOMPLISHED BLENDED OUT CORROSION IN ACCORDANCE WITH FAA DER APPROVED DRAWINGS, COO-SJO-98-0393DDAC, COO-SJO-98-0394DAC, DOUGLAS FAX ACTION NUMBER 371688 AND ENGINEERING ORDER 57-DC8-900.