What was found
SEA - FLT 1760 - EN ROUTE SEA-DFW, AFTER TAKEOFF, LANDING NOSE GEAR DID NOT RETRACT. ALSO, HAD A STALL WARNING LIGHT ILLUMINATE. RETURNED AND LANDED SEA WITHOUT INCIDENT. REPLACED NOSE STRUT SCHRADER VALVE AND SERVICED NOSE STRUT. NO SIGN OF FLUID LEAKAGE FROM STRUT. ACCOMPLISHED NOSE GEAR SWING SYSTEM GROUND CHECKED NORMAL OPERATION. (M)