What was found
DURING TAXI NW TILLER WHEN MOVED PAST 180 DEGREES TO THE RIGHT IS EXTEMLY DIFFICULT TO TURN. WHEN MOVED PAST 270 DEGREES A DISTINCT RELEASE IS FELT. NOTE DURING FLIGHT WE NEVER MADE A LEFT HAND TURN. INSPECTED NOSE GEAR STEERING, FOUND NO DEFECTS, GREASED THE NOSE GEAR STEERING SYSTEM, FOUND A LOT OF WATER COMING OUT, LUBED IAW AMM 12-21-12-3. STEERING OPERATES NORMAL WITH NO BINDING AND VERY SMOOTH, IAW AMM 32-51-00. A/C OK FOR SERVICE.