As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - FLIGHT 2548 - ON CLIMB RECEIVED A ELEVATOR SPLIT CAUTION AND CAS MISCOMPARE MESSAGE. NO ABNORMAL INDICATIONS ON FLIGHT CONTROL PAGE. NO ABNORMAL FLIGHT CONDITIONS NOTED. MAINTENANCE PERFORMED A GVI OF THE ELEVATOR AND LINKAGE AND TENSION CHECK OF THE CABLES WITH NO DEFECTS NOTED. AS A PRECAUTION REPLACED NR 1 DCU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.