As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - FLIGHT 2427 - AFTER TAKEOFF FROM YVR, THE LANDING GEAR WOULD NOT RETRACT. DIVERTED TO SEA AND PERFORMED A UNEVENTFUL LANDING. MAINTENANCE FERRIED THE AIRCRAFT TO PDX FOR REPAIRS. IN PDX, REPLACED THE NOSE GEAR WOW 2 HARNESS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.