As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RAM AIR FAIL WHITE CAS ILLUMINATED WITH ASSOCIATED YELLOW X OVER THE RAM AIR VALVE ON ECS SYNOPTIC. CAS MESSAGE APPEARED INTERMITTENTLY 4 TIMES DURING THE DESCENT BETWEEN FL430 AND FL280. COMPLIED WITH SEVERAL OPERATIONAL CHECKS OF THE RAV WITH NO DISCREPANCIES TO NOTE AT THIS TIME. AMM 21-23-03 AND WM 27-23-00