As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT, R ENG BLEED EICAS MSG ILLUMINATED. AIRCRAFT RETURNED TO BLOCKS. (BTB). MAINTENANCE REPLACED RT ENGINE PRSOV IAW AMM 36-11-09, RAN RT ENGINE AS PER AMM 71-00-00 AND ABX B767-10A. OPS CK NORMAL PER B AMM 36-11-09. AIRCRAFT REMAINS NO ETOPS. AIRCRAFT RETURNED TO SERVICE.