As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6331 - SWF-BOS - AFTER LANDING, AIRCRAFT LOST NOSE STEERING AND NORMAL BRAKING ON BOTH LEFT AND RIGHT HYD PUMPS. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED HYD LINE FROM CHECK VALVES TO FILTERS. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)