As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 826AX MOD, DISCOVERED LEFT HAND UPPER WING AT NR 1 ENGINE BETWEEN FRONT AND MID SPAR SKIN REPAIR HAS CORRODED FASTENERS AND CORROSION BETWEEN REPAIR AND SKIN. REPAIRED LEFT HAND WING TOP PANEL PLATING THAT WAS CORRODED AT STATION XW 451 IAW ABX REA D857-12592MR.