As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BEFORE TAKEOFF CHECKLIST, NOTICED R HYD SYS RF@ 0.73 QRH FLOW COMPLETED MX CONTROL ADVISED TO BLACK BACK IN TO REFILL. AIRCRAFT RETURNED TO BLOCKS (BTB). MAINTENANCE TRANSFERRED AND LEVEL RIGHT HYD SYSTEM. RT SYSTEM INDICATING 1.03 AT THIS TIME. REF B767 AMM 29-00-00. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.