What was found
(CAN) DURING A STRUCTURAL INSPECTION, MAINTENANCE NOTICED THERE WERE MISSING/SHEARED RIVETS ADJACENT TO WHERE THE RUDDER TORQUE TUBE ASSY ATTACHES TO THE RIB CLOSURE AND DOUBLER DUE TO THE NATURE OF THE DEFECT A FLEET WIDE INSPECTION WAS COMPLETED ON AN ADDITIONAL 6 ACFT. ONLY 1 OTHER ACFT EXHIBITED A SIMILAR DEFECT. THE SECOND ACFT INSPECTED WAS REPAIRED BY MAINTENANCE AND RETURNED TO SERVICE. THE FOLLOWING PN ARE AFFECTED ON THE SUBJECT ACFT, TUBE ASSY TORQUE, PN: 101-630010-9, ITEM 325 RIB CLOSURE, PN: 130-630000-55, ITEM NR 115 DOUBLER, PN: 101-630000-121, ITEM NR 140 REF IML 55-40-00-03, FIGURES 1 & 2. THE SUBJECT ACFT HAS ACCUMULATED 33979.5 HRS & 39886 CYCLES. NOTE: THIS DISCREPANCY WAS NOTED DURING THE IMPORT INSPECTION OF THIS ACFT.