As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - ON FLIGHT 2359, RETURNED TO FIELD, ELEVATOR FEEL CAUTION LIGHT ILLUMINATED DURING CLIMB-OUT. FO'S FLIGHT ATTITUDE INFO AND HSI INFO DISPLAY INDICATED DASHES, YAW DAMPER TURNED OFF. NO OTHER DEFECTS. AIRCRAFT LANDED BELOW MAX LANDING WEIGHT. NO LIMITATION EXCEEDED. MAINTENANCE REMOVED AND REPLACED NR 2 AHRS AND CONNECTOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.