As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE C CHECK INSPECTION, CORROSION WAS FOUND ON THE FUSELAGE EXTERNAL PLATING BETWEEN FUSELAGE STATIONS 1610 AND 1700, LONGERONS 31 LEFT AND 31 RIGHT. REPAIR ACCOMPLISHED REMOVAL OF DAMAGED AREA. FABRICATION AND INSTALLATION A NEW SECTION OF PLATING, INTERNAL DOUBLERS AND AN EXTERNAL DOUBLER IN ACCORDANCE WITH FAA DER APROVED DRAWING COO-8-53-316-98 AND 53-DC8-879.