As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LOCATED DEEP CORROSION AT LT AND RT WING SKIN UPPER BONDED PANEL ASSY AT AUX TANK ACCESS PANEL FLANGE. HAD BEEN REPORTED BY A 3RD PARTY CRS ON OTHER COMPANY ACFT, FL-273, FL-125, EVALUATED AND RECEIVED FIELD REPAIR FROM MFG. LT WING WAS WORSE THAN RT WING AND REQUIRES MORE EXTENSIVE REPAIR.