As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C, RT BLG W/W AT BS 1438 RBL 110 ON TOP OF OVERWING LONGERON AND VERT SUPPORT FRAME CORROSION REVEALED. CORROSION BLEND OUT 0.168 INCH X .5 INCH X 2.5 INCH EXCEED SRM LIMIT. BS 1350 - 1480 RT OVERWING LONGERON REPAIRED IAW RS R-53-43-34843, (UPS EO B747-5310-17206-A).