As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND MAJOR INTERGRANULAR CORROSION ON BOTH REAR WING ATTACH POINTS . BLOCK BEARING P/N 0512122. WINGS WERE REMOVED FOR RESTORATION. FURTHER FLIGHT WOULD HAVE LED TO TOTAL WING FAILURE AND WING SEPARATING FROM FUSELAGE. SIMILAR DAMAGE FOUND ON ANOTHER AIRCRAFT SAME YEAR AND MODEL.