As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT-FLIGHT 3716 CREW REPORTED HYDRAULIC FLUID LOSS OF NR 1 SYSTEM WHILE IN FLIGHT. MAINTENANCE INSPECTED AIRCRAFT AND FOUND THE INBOARD ROLL SPOILER HYDRAULIC LINE LEAKING BETWEEN THE FUSELAGE AND NR 1 NACELLE. TWO FLEXIBLE LINES WERE INSTALLED AS AN INTERIM REPAIR. AIRCRAFT GROUND RAN AND LEAK CHECK WAS GOOD. HYDRAULIC SYSTEM WAS REPLENISHED AND BLED. AIRCRAFT RETURNED TO SERVICE.