As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT, FOUND EVIDENCE OF CORROSION AT RIGHT LEADING EDGE AT XFS 291.500 TO 329.00. FOUND CORROSION BEYOND LIMIT. CUT OUT DAMAGED AREA. FABRICATED FILLER AND DOUBLER USING CLAD 7075-T6. PICKED UP EXISTING ATTACHMENTS WHERE POSSIBLE. ALL WORK DONE PER EO ARW 950037-75/76. CORROSION FOUND WAS LEVEL II.