What was found
ON FLIGHT4828 - CREW REPORT LOUD RUSHING NOISE COMING FROM THE NOSE GEAR WELL LIKE A GEAR DOOR WAS NOT FULLY CLOSED. AIRCRAFT REMOVED FROM SERVICE. TROUBLE SHOT SYSTEM. PERFORMED VISUAL INSPECTION OF NLG, AND DOORS. NO DEFECTS NOTED. PERFORMED GEAR SWING IAW AMM 32-30-00. REMOVED AND REPLACED LGEU IAW 32-32-01 WITH GEAR UP FOUND NOSE LANDING GEAR DOOR SOLENOID VLV TO BE INTERMITTENT. REMOVED AND REPLACED NLG DOOR SOLENOID VALVE IAW AMM 32-33-02. OPERATIONAL CHECK GOOD AND LEAK CHECK GOOD. PERF GEAR SWINGS IAW AMM 32-30-00. OPERATIONAL CHECK GOOD, NO FURTHER DEFECTS. AIRCRAFT RETURNED TO SERVICE.