As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA- PITCH TRIM CAUTION LIGHT ILLUMINATED ON CLIMBOUT WITH LOSS OF PITCH TRIM. AUTO TRIM FAIL MESSAGE ON EADI. AIRCRAFT LANDED WITHOUT INCIDENT. PERFORMED Q400 FIM TASK 27-30-00-810-803 WITH NO RECURRENCE OF PITCH TRIM CAUTION LIGHT OR AUTO TRIM FAIL MESSAGE. NO PARTS REPLACED OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.