As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AS SOON AS EPR WAS SELECTED ON TAKEOFF ROLL AND TAKEOFF THRUST WAS ATTAINED, A LEFT HAND HIGH STAGE EICAS MESSAGE WAS RECEIVED. TAKEOFF WAS ABORTED. QRH ACTION AND AIRCRAFT RETURNED TO THE GATE. ITEM WAS DEFERRED PER MEL AND FLIGHT CONTINUED WITHOUT FURTHER INCIDENT.