As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C M/D WING CTR SECTION UPPER SKIN CORROSION REVEAL AFTER PAINT STRIPPED AT ITEM 8,10,18A,18B,18D AND 19 PER BOEING ATTACHMENT. M/D WING CTR SECTION UPPER SKIN CORRODED AREA REPAIRED AS PER RS R57-14-35608 AND R57-14-35609 AND ENGINEERING FILE NUMBER 747-57-20121 AND 747-57-20118.