As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EFIS COMP MON CAUTION INFLIGHT. ROLL PITCH HDG YELLOW FLAGS. HDG RED FLAGS DISPLAYED AS WELL. FOS HSI UNRELIABLE, CAS HSI UNRELIABLE AS WELL. QRH DID NOT FIX THE ISSUE, FLIGHT DIVERTED. GPS WAS ALSO UNRELIABLE. (FLIGHT 3112 FILED OPEN)