As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PVD - FLT 4573 - AFTER TAKEOFF WHEN LANDING GEAR WAS SELECTED UP, HYDRAULIC PUMP RAN CONTINUOUSLY AND HYDRAULIC FLUID QTY DECREASED. CREW SELECTED GEAR DOWN AND DIVERTED TO PVD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NLG RETRACT ACTUATOR UP LINE AND SERVICED HYDRAULIC SYSTEM. AIRCRAFT RETURNED TO SERVICE. (M)