As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TOUCHDOWN, ELEC ANNUCIATOR ILLUMINATED ON THE OVERHEAD PANEL ALONG WITH MASTER CAUTION AND ELEC SIX PACK LIGHT. ALL OTHER INDICATIONS APPEARED NORMAL. ACFT GROUNDED. PERFORMED FIM 24-31, TASK 801. MX MESSAGE SPCU INOPERATIVE LOGGED. CLEARED FAULT, BITE CHECK PASSED. FOUND TO BE INTERMITTENT FAULT.