As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REPLACEMENT OF RUDDER HINGE BRACKETS ON VERTICAL STABILIZERS REAR SPAR, EXFOLIATION CORROSION WAS FOUND ON THE LOWER BRACKET (P/N: 6931050-10) OF THE UPPER RUDDER HINGE POINT, LOWER BRACKET (P/N: 6931050-12) & UPPER BRACKET (P/N: 6931050-11) OF THE MIDDLE RUDDER HINGE POINT. ALSO NOTED EXFOLIATION CORROSION ON VERTICAL STAB AFT SPAR STIFFENER (P/N: 6931012-22) AT APPROXIMATE WL 190.763, REQUIRING REPLACEMENT OF STIFFENER.