What was found
AIRCRAFT TOTAL TIME: 470.2 HOURS, 1995 SENECA IV. FOUND DURING ANNUAL INSPECTION, RUDDER HAD 3 TO 4 DEGREE MOVEMENT WITHIN THE MOUNT FITTING, PN 96319-802. FURTHER INSPECTION (RUDDER REMOVED) TORQUE TUBE ASSY HAD WORN, ELONGATED BOLT HOLES (4). CAUSE - VIBRATION, WINDLOAD, WEAK TUBE CONSTRUCTION. SUBMITTER RECOMMENDS RE-ISSUE PIPER SB 899, DATED 2-10-89, TO COVER SENECA IV MAKING THIS AREA A 50-HOUR INSPECTION ITEM.