As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C FX WING CTR SECTION RT LOWER CHORD FOUND HEAVY CORROSION AT STA983 RBL 78 TO RBL 86 EXTERNAL SURFACE. CORROSION BLEND OUT 0.151" BY 1.5" BY 5" EXCEED SRM LIMIT. FX WING CTR SECTION RT LOWER CHORD REPAIRED AT RBL75 TO RBL87 AREA AS PER RS R57-11-35600 AND UPS ENGINEERING FILE NUMBER 747-57-20113.