As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PTRIM NML FAIL CAS MESSAGE ILLUMINATED AT CRUISE. AUTOPILOT THEN FAILED - NO CAS SWAPPED FCE 1 AND FCE 2 FOR TROUBLESHOOTING PURPOSES. REPLACED FCE 1 WITH REPAIRED UNIT. ALL WORK PERFORMED IAW EMB 505 AMM 27-03-01 PN 462900-1017 S/N 1038 PN 462900-1017 S/N 0398 (SMN)