As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PERIODIC CHECK, FOUND THE LEFT WING LEADING EDGE UPPER WING FIBERGLASS PANEL CORRODED AT APPROXIMATELY ILES 338 AND GOING OUTBOARD APPROXIMATELY 24 INCHES OR TWO RIBS. INSTALLED NEW CHORD FROM BAC 1506-2664 EXTRUSION AND INSTALLED REPAIR.