As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT GOT A R FADAC FAULT 1 STATUS MESSAGE, THEN IT CHANGED TO A R FADEC CAUTION MESSAGE. (FLIGHT 3719) REMOVED AND REPLACED THE RH ENGINE FADEC IAW AMM CRJ 900 73-21-01. OPS CHECK GOOD AT THIS TIME. NO MESSAGES PRESENT. AC OK FOR CONTINUED SERVICE.