As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS PRIMARY DISPLAY FAILED ON TAKEOFF ROLL ACCOMPANIED WITH AN EICAS COMP INOP MESSAGE. ABORTED TAKEOFF. REMOVED NR 1 PRIMARY EFD AND REPLACED IT WITH A SERVICEABLE ONE IAW CL600 MM 31-41-00. OPS CHECK GOOD. S/N ON: DN4T, S/N OFF: 964.