What was found
DURING ANNUAL INSPECTION, FOUND SHEARED RIVETS AT BOTH REAR WING ATTACH FITTINGS AS FOLLOWS: BS 136 RT SIDE, ALL RIVETS SHEARED THRU PLATE PN 23662-00, FITTING ASSY P/N 23663-00, DOUBLER P/N 23664-02. EXTENSIVE MOVEMENT BETWEEN PLATE AND FITTING ASSY CAUSED ANGLE P/N 20554-16 TO SHEAR IN TWO. LT SIDE MUCH THE SAME EXCEPT 2 RIVETS REMAINING, ANGLE HAS NOT COMPLETELY SHEARED THROUGH. AIRFRAME TT 6,342 HRS. (X)