Narrative:

During takeoff roll; multiple EICAS cautions illuminated (autothrottle disc / autobrakes). There was an additional sub-EICAS caution; however we do not recall what the 3rd EICAS caution was. (Probably FMC but not sure) I made the decision to reject the takeoff below 100 kts.; while analyzing all the EICAS cautions and recognizing all takeoff data on FMC takeoff page had dumped. Initiated [rejected takeoff] at approximately 100 kts.; first officer (first officer) saw approximately 115 kts. As our peak acceleration speed.first officer advised ZZZ ATC of our rejected takeoff; we cleared the runway via high-speed and advised we did not need emergency services. Proceeded to hardstand 256; monitored the brake temps and completed the rejected takeoff checklist; advising operations of our issues. Right brakes reached peak temps of 3x6 on brakes and 1x7 momentarily; all cooled below 3 within 20 minutes. Left brakes were 3x4; 1x5 peak temps all cooled below 3 within 15 minutes. Ground personnel were advised to remain clear as we monitored the temps and cooling chart.maintenance found faults with thrust management computer that resulted in lost comm with all 3 IRU's; both FMC's and both eec's and indicated that was probably the reason for all the EICAS cautions. Systems reset; faults cleared and systems tested; continued to ZZZ1 with a 1+30 delay.

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Original NASA ASRS Text

Title: B767 flight crew reported a rejected takeoff after multiple EICAS messages and systems failures.

Narrative: During Takeoff Roll; multiple EICAS Cautions illuminated (AUTOTHROTTLE DISC / AUTOBRAKES). There was an additional sub-EICAS Caution; however we do not recall what the 3rd EICAS Caution was. (Probably FMC but not sure) I made the decision to reject the takeoff below 100 kts.; while analyzing all the EICAS Cautions and recognizing all takeoff data on FMC takeoff page had dumped. Initiated [Rejected Takeoff] at approximately 100 kts.; FO (First Officer) saw approximately 115 kts. as our peak acceleration speed.FO advised ZZZ ATC of our rejected takeoff; we cleared the runway via high-speed and advised we did not need emergency services. Proceeded to hardstand 256; monitored the brake temps and completed the rejected takeoff checklist; advising operations of our issues. Right brakes reached peak temps of 3x6 on brakes and 1x7 momentarily; all cooled below 3 within 20 minutes. Left brakes were 3x4; 1x5 peak temps all cooled below 3 within 15 minutes. Ground personnel were advised to remain clear as we monitored the temps and cooling chart.Maintenance found faults with Thrust Management Computer that resulted in lost comm with all 3 IRU's; both FMC's and both EEC's and indicated that was probably the reason for all the EICAS cautions. Systems reset; faults cleared and systems tested; continued to ZZZ1 with a 1+30 delay.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.