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 DETECTED ON FUSELAGE EXTERNAL PLATING BETWEEN FUSELAGE STATION 301.5 AND 324, LONGERONS 33 AND 34 LEFT. REPAIR ACCOMPLISHED REMOVAL OF DAMAGED AREA. FABRICATION AND INSTALLATION TWO INTERNAL FILLERS AND AN EXTERNAL DOUBLER, TRIPLER IN ACCORDANCE WITH FAA DER APPROVED DRAWING COO-8-53-318-98 AND ENGINEERING ORDER 53-DC8-880.