As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) LT AND RT WING LEADING EDGE RIBS SEVERELY CORRODED. SIXTEEN RIBS AND BOTH BOTTOM OUTBOARD WING SKINS REQUIRED REPLACEMENT. FOUND WHEN RIBS DISMANTLED AFTER FINDING BULGING ALONG THE SPAR INSEVERAL AREAS OUTBOARD OF THE WING STRUTS DURING PERIODIC INSPECTION.