As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON THE LH/RH WING UPPER SKIN ALONG EDGE OF WING TO FUSELAGE CARBON FAIRING.BLENDED AND REMOVED ALL VISIBLE SIGNS OF CORROSION ON LH I/B WING SKINS. REFER TO SUB 2 FOR NDT DETAILS. THE BLENDED AREAS WERE OUT OF LIMITS PER CESSNA 680 SRM 51-10-01. BLENDED AREAS WERE SUBMITTED TO TEXTRON AND A FIELD REPAIR WAS ISSUED FR-680-0240-7202 REV-.