As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED A RT ENGINE BLEED OFF EICAS MESSAGE AND A RT ENGINE BLEED EICAS MESSAGE DURING TAKEOFF ROLL AND ABORTED THE TAKEOFF AT 60 KNOTS. MAINTENANCE REPLACED FLOW CONTROL VALVE IAW AMM 21-51-01-201. ALSO, REPLACED COMPRESSOR OUTLET OVERHEAT SWITCH AS A PRECAUTIONARY MEASURE.