As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - FLIGHT 2340 - FLIGHT DIVERTED WHILE EN ROUTE TO SEA WHEN RECEIVED A WEIGHT ON WHEELS CAUTION LIGHT. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE NUMBER 1 WOW SENSOR. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.