What was found
ON TAKEOFF NOSEGEAR DID NOT RETRACT. GREEN LIGHT WENT OUT AND RED LIGHT REMAINED ON. FOLLOWED QRH ,GEAR EXTENDED WITH NORMAL DOWN AND LOCKED INDICATIONS. FOUND NOSE LANDING GEAR STRUT DEFLATED AT GATE NO EVIDENCE OF STRUT FLUID LEAKAGE REMOVED AND REPLACED STRUT AIR CHARGING VALVE AND SERVICED NOSE LANDING GEAR STRUT IAW AMM TASK 32-20-01-619-801 JACKED NOSE GEAR STRUT ASSY IAW AMM PERFORMED EXTENSION/RETRACTION OF NOSE GEAR ASSY IAW AMM EXSTENSION/RETRACTION CHECK GOOD. ACFT OK FOR SERVICE.