As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 2C+12A+150M CHECK, EGAT MECHANIC FOUND LEFT WING UPPER SURFACE BULGE CORRODED UNDER FIXED PANEL NEAR XORS=1042 REAR SPAR. REPAIR THE DAMAGE AREA PER EGAT E1 NT W2007A57B-060 REV.00 AND APPROVE DOCUMENT BOEING MESSAGE NR 1-276023171-2. CONDITION CHECK NORMAL. (EGAT NRC NR U05011).