As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ASH 6213 TUS - EICAS ELEVATOR SPLIT CAUTION MESSAGES. UPON ARRIVING AT THE GATE THE FAULT HAD CLEARED. MX CHECKED THE MDC AND FOUND BOTH SSCUS FAULTED. THE SSCUS WERE RESET AND SELF TESTED WITH NO FAULTS NOTED. AN OPERATIONAL TEST WAS PERFORMED WITH NO FAULTS NOTED.