As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEPARTED AIRPORT AND THE LANDING GEAR DID NOT COME UP. ATTEMPTED TO RECYCLE THE GEAR, WITH NO SUCCESS. DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE UNEVENTFULLY. TROUBLESHOT AND FOUND THE NLG SQUAT SWITCH TO BE THE ISSUE, R & R THE SQUAT SWITCH.