What was found
PHX/MRY - FLT 6138 - THE AIRCRAFT WAS AIRBORNE WHEN THE GEAR WAS SELECTED UP. THE CREW RECEIVED A NOSE GEAR ASSY AND A NOSE GEAR DOOR DISAGREE MESSAGE. THE CREW DECLARED AN EMERGENCY AND RETURNED TO THE FIELD. MAINTENANCE TROUBLESHOT FOUND THE NOSE GEAR PROXIMITY SWITCH WAS OUT OF RIG. RE-RIGGED THE SWITCH AND PERFORMED A GEAR SWING. OPS CHECK GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE. (X)