As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER START R HD DEMAND PUMP EICAS MSG. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE PERFORMED OPS CK OF RH ACMP & RH ENG DRIVEN HYD PUMPS WITH & WITH-OUT ENG RUNNING IAW B767 AMM 29-11-00. ALL OPS CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.