As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT CREW REPORTED LOSS OF NR 1 HYD SYS PRESSURE AT TAKEOFF. ABORTED TAKEOFF AND RETURNED TO GATE WITHOUT FURTHER INCIDENT. MX FOUND THE RT INBD SPOILER ACTUATOR LEAKING DUE TO FAILURE OF THE HSG. SPOILER ACTUATOR REPLACED. OPS CHECKS AND LEAK CHECKS CARRIED OUT WITH NO FURTHER DEFECTS. ACFT RETURNED TO SERVICE. RELATED TO ARTICLE 2004-07-2760. (SEE ALSO FAA SDR 2010061901074, ERAA201000001).