As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB THE CREW NOTED A PROXY FAIL AND NLG WOW CAS MESSAGE. EMERGENCY WAS DECLARED AS A PRECAUTION AND AIRCRAFT LANDED UNEVENTFULLY. MAINTENANCE PERSONNEL REMOVED AND REPLACED THE PSEU PROXIMITY BOX. A SATISFACTORY FUNCTIONAL CHECK WAS PERFORMED AND AIRCRAFT WAS RELEASED FOR CONTINUED SERVICE.