What was found
ORD - FLT 0469 - EN ROUTE MSP/ORD ON APPROACH ORD, NOSE LANDING GEAR WOULD NOT INDICATE SAFE, DOWN AND LOCKED, ON FIRST EXTENSION. CYCLED GEAR AND GOT NORMAL INDICATION ON SECOND TRY. LANDED ORD WITHOUT INCIDENT. REMOVED DEBRIS IN UP-LINE PRESSURE RESTRICTOR AND REPLACED PRESSURE RESTRICTOR. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)