As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT OF WIII, AFTER GEAR RETRACTION, WITH THE GEAR HANDLE IN THE UP POSITION THE NOSE LANDING GEAR HAD AN UNWANTED EXTENSION AND RETRACTION CYCLING. CREW CYCLED THE GEAR DOWN AND BACK UP, AND WITNESSED THE SAME PHENOMENON WITH THE NOSE LANDING GEAR AND THE GEAR HANDLE IN THE UP POSITION. CREW RETURNED THE GEAR TO THE DOWN POSITION, ALL GEAR DOWN AND LOCKED, GEAR DOWN INDICATION NORMAL. CREW TERMINATED THE FLIGHT AND EXECUTED A SAFE RETURN AND LANDING TO WIII WITH THE GEAR IN DOWN AND LOCK POSITION.