As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN COMPLYING WITH AD, FOUND CRACK AT BUTT OF MAIN SPAR JUST UNDER ATTACH FITTING TO FUSELAGE ON RIGHT WING TRAVELING SEVERAL INCHES LONGITUDINALLY. SEVERAL RIB NAILS LOOSE ON BOTH WINGS. AIRCRAFT HANGARED-CAUSE UNKNOWN, (HOURS ON WINGS 5000 TO 6000), REPAIR OF WINGS REQUIRED.