As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- ON FLIGHT 2315 SEA TO EUG, DIVERTED TO PDX DUE TO ON CLIMBOUT OF SEA AT 6,000 FEET ACCELERATING TO 240 KTS, "PITCH TRIM" CAUTION LIGHT ILLUMINATED. NO OTHER CAUTION LIGHTS ILLUMINATED. ELEVATOR TRIM POINTER WENT TO FULL NU AND ELEVATOR TRIM WAS INOPERATIVE. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED PITCH TRIM ACTUATOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.