As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOSS OF NR 1 HYD SYS QTY ENROUTE. NR1 ISO VALVE CL ILLUMINATED AND SYS AT .4 QT AT SHUTDOWN. SERVICED NR 1 HYD SYS. RAN ACFT AND INSPECTED FOR LEAK. NOTED LEAK IN DORSAL FIN AREA UNDER PANEL 351AT. RING LOCKED RUDDER PRESS LINE UNDER PANEL 351BT OPERATIONAL AND LEAK CK GOOD AT THIS TIME REF -8MM 20-50-55.