As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVED RUDDER TO NDI ATTACH FITTINGS. DURING INSPECTION A CRACK IN UPPER FITTING WAS DETECTED. DURING STRIPPING OF PAINT, DISCOVERED PITTING AROUND BUSHING INSERT. CORROSION WAS DEEP INTO BRACKET AT EDGE OF BUSHING. THIS UPPER HINGE FITTING AND BUSHING SITS AT BOTTOM WHERE MOISTURE WOULD SIT IN CAVITY.