As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A C CHECK, FOUND CORROSION THE LT WING UPPER SKIN. THE CORROSION WAS BEYOND THE LIMITS IAW SRM 57-10-01 ALLOWABLE DAMAGE 1. THE CORROSION WAS BLENDED IAW SRM 51-10-02 AND PERFORMED A UT THICKNESS INSPECTION IAW NDT SPM 04-00-00. THE SKIN WAS REPLACED IAW PRI 564505-14 REV O.