As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT EICAS COMPUTER DISPLAYED ON STATUS PAGE. ACP FIM R EICAS NO FAULTS NOTED IN TEST MODE, LT EICAS 2 INTERFACE FAULTS, RECEIVER FAULT, EICAS XTALK INTERFACE FAULT LEG 7 AND ON LEG 8 SAME. AT T/O, HARD FAULT. REPLACED LT EICAS COMPUTER.