As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SYR-FLIGHT#3992. CREW REPORTED #2 HYDRAULIC ISOLATION VALVE CAUTION LIGHT ILLUMINATED IN FLIGHT, LANDING GEAR ALTERNATE EXTENSION PERFORMED. MAINTENANCE INSPECTED AND FOUND HYDRAULIC LINE FROM DOGBONE ON LEFT FORWARD GEAR LEAKING. INTERIM FLEX LINE INSTALLED. HYDRAULIC SYSTEM SERVICED AND ISOLATION LIGHT RESET. AIRCRAFT RAN WITH NO LEAKS NOTED. AIRCRAFT RETURNED TO SERVICE.