As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXFOLIATING CORROSION ON TOP OF CENTER WING AT STA 1331, LBL 97.0 ON AN AREA OF APPROXIMATELY 6 X 8 INCH. REMOVED ALL EVIDENCE OF CORROSION. INSTALLED FILLERS AND DOUBLERS AS PER EA 8-5730-74212-WING UPPER AFT SKIN PANEL, CENTER BOX-CORROSION.