47-10-40 LUSCOMBE: (Was Mandatory Note 11 of AD-694-4.) Applies to Model 8 Series Aircraft Serial Numbers 1934 to 2200 Inclusive.
Compliance required prior to May 1, 1947.
Determine if the attachment of the rudder control arm to the torque tube has been reinforced by a steel strap that extends completely around the torque tube and is securely welded to both the fore and aft flanges of the rudder control arms and the torque tube. If the reinforcing steel strap is not properly located and welded to both flanges, a repair should be made.
(Luscombe Service Bulletin No. 4-46 covers this same subject.)