As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - PROX SYS FAULT CAUTION AND PROX SYS FAULT 2 STATUS MESSAGE AFTER GEAR UP ON CLIMB-OUT FAULT LIGHT WENT OUT ON DESCENT NORMAL GEAR EXTENSION. RETURNED TO THE FIELD. LANDING UNEVENTFUL. REPLACED GROUND WIRES THAT GO TO LANDING GEAR HANDLE AND WIRES THAT GO TO THE PSEU AS REQUESTED BY TECH SERVICES. RETURNED TO SERVICE.