What was found
(AUS) RT ELEVATOR CORRODED IN AREA OF TORQUE TUBE. CAUSED BY LACK OF PRIMER DURING ASSEMBLY. INSPECTION ALSO FOUND RACKS FOUND EMANATING FROM UPPER AND LOWER RIVET HOLES EXTENDING TOWARDS INBOARD END OF ELEVATOR SPAR AND OUTBOARD END. UPPER RIVET CRACK18.9MM (0.745IN) LONG. LOWER RIVET CRACK 15.8MM (0.625IN) LONG. A CRACK WAS ALSO FOUND IN CIRCUMFERENCE OF HOLE IN THE SPAR THAT THE ELEVATOR TRIM TAB ACTUATOR ROD PASSES THROUGH.