What was found
ON LANDING ROLLOUT, JUST AS 90 KNOTS WAS CALLED AND REVERSERS WERE BEING STOWED, WE LOST NOSE WHEEL STEERING. AIRCRAFT VEERED RIGHT. WE HAD TO BREAK HEAVILY TO STAY ON RUNWAY. ON POST FLIGHT INSPECTION FOUND LEFT OUTER TIRE FLAT. BREAK TEMPS 3/2/2/2. (FLIGHT 3019 FILED CLOSED)TROUBLESHOT NWS BY CHECKING THE RIG ON THE RH AND LH RVDTS FOUND RIG TO BE IN LIMITS PER CRJ 200 AMM 32-51-05. NO DEFECTS NOTED AT THIS TIME. CHECKED RIGGING ON THE STEERING HANDWHEEL CONTROL UNIT IAW CRJ 200 AMM 32-51-01. FOUND TO BE WITHIN LIMITS. NO DEFECTS NOTED AT THIS TIME. INSPECTED THE NWS HARNESS IAW CRJ 200 AMM 32-51-00. NO DEFECTS NOTED AT THIS TIME. MEGGED THE NWS HARNESS IN REFENCE TO ESPM 20-12-01. NO DEFECTED NOTED AT THIS TIME. PERFORMED AN OPERATIONAL CHECK OF THE NWS IAW CRJ 200 AMM 32-51-00. OPS CHECK GOOD AT THIS TIME. INSPECTED MLG TIRE #1 AND #2. FOUND O/B BRAKE TO BE LOCKED UP. UPON FURTHER INSPECTION FOUND THE HYD QUICK DISCONNECT TO NOT BE CONNECTED. RECONNECTED AND SAFETIED HYD QUICK DISCONNECT TO THE #1 BRAKE IAW CRJ 200 AMM 32-43-26. PUMPED BRAKES MULTIPLE TIMES OPS CHECK GOOD. NO LEAKS NOTED AT THIS TIME. REMOVED AND REPLACED MLG TIRE #1 IAW CRJ 200 AMM 32-41-01. REMOVED AND REPLACE MLG TIRE #2 IAW CRJ 200 AMM 32-41-01.