Luscombe

Installation of rudder return springs to improve the directional stability characteristics of the airplane.

Inspection for evidence of cracks and rework instructions of the vertical stabilizer attachment fitting.

Prevention of cracks developing in the side flanges of the stabilizer attaching bracket.

Checking the attachment of the rudder control arm on the torque tubes.

Inspecting the circuit between the master switch and battery terminal of the voltage regulator for a fuse cartridge.

Installation of battery cable clip to preclude possible short circuiting of the battery cable.

Information on the allowable oil temperature range for satisfactory hot weather operation of the Continental 65hp and 85hp engines.

Inspecting the fuselage fuel tank to insure that the cable attaching system is not excessively tight.

Instance of a crack developing in service across a jury strut fitting on a lift strut.

Instructions for installing Micarta fairleads on the fifth and eighth nose ribs to prevent slack aileron cables from rubbing on the metal edge.