As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABORTED TAKEOFF DUE TO RIGHT ENGINE PRESSURE REGULATING VALVE EICAS MESSAGE WITH BLEED CAUTION LIGHT. ACCOMPLISHED CHECK OF ALL VALVES ON THE RIGHT ENGINE. ALL WIRES WERE ALSO INSPECTED AND FOUND SECURE. OPERATIONS CHECK NORMAL. THERE HAVE BEEN NO FURTHER DISCREPANCIES INDICATED. NO PARTS WERE REMOVED.