What was found
FLT 1164 - FLT CREW MKE-SBN - LIFTED THE L/G HANDLE TO RETRACT THE L/G AFTER ROTATION. THE RT MAIN GEAR ANNUNCIATOR EXTINGUISHED, THE RED UNSAFE LIGHTS ILLUMINATED IN GEAR HANDLE, AND THE GEAR FAILED TO RETRACT. BEFORE LANDING BACK AT MKE THE L/G HANDLE WAS SELECTED DOWN, THE RT GEAR DOWN AND LOCKED ANNUNCIATOR ILLUMINATED, AND THE RED UNSAFE LIGHTS EXTINGUISHED. MX FOUND THE GEAR EXTEND RETRACT SOLENOID INOP. THE SOLENOID VLV WAS REMOVED AND REPLACED. THE GEAR OP CHECKED GOOD UP AND DOWN, AND MANUAL RETRACTION CHECKED GOOD. (M)