As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT, NR 1 SYS LOST HYD PRESSURE. 1/2 QT REMAINED. PRESSURE AT 3000. NR 1 HYD ISOLATION VALVE AND ROLL SPOILER INBD HYD CAUTION LIGHT ILLUMINATED. INSTALLED TEMP FLEX LINE IAW SP 20.2 FROM PRESSURE PORT OF NR 1 ENGINE DRIVEN HYD PUMP TO FIREWALL. SERVICE NR 1 HYD SYS IAW 12-10-29. GROUND RAN ACFT. OPS AND LEAKED CHECKED GOOD.