As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEVEL 1 CORROSION ON LEFT WING UPPER SKIN BELOW FIBERGLASS STRIP BETWEEN LEADING EDGE STRUCTURE AND SKIN IN THE FOLLOWING AREAS, BETWEEN WS 1246.35 AND 1267.65, OUTBOARD OF WS 1293.15, BETWEEN 1318.65 AND 1339.75, AND BETWEEN WS 1349.29 AND 1365.25. BLENDED CORROSION FOUND WITHIN LIMITS PER BOEING SRM 57-30-01 FIG. 1.