What was found
UPON GEAR RETRACTION, NOSE DOOR LIGHT REMAINED ILLUMINATED AND LOUD RATTLING NOISE FROM NOSE AREA ENSUED. RETURNED TO THE FIELD. LANDING UNEVENTFUL. INSPECTED NLG AND DOORS AND INTEROGATED PSEU FOR FAULT CODES. NO DEFECTS NOTED. BLEED NR 2 HYD SYS AND PERFORMED FUNCTIONAL TEST OF THE LANDING GEAR PRIMARY EXTENSION AND RETRACTION SYS. FUNCTION CHECK GOOD. PERFORMED AN ADDITIONAL 20 GEAR SWINGS, NO DEFECTS NOTED AND NO FAULTS WERE LOGGED IN THE PSEU. ADJUSTED NGDRCL PROX SENSOR. RETURNED TO SERVICE. NO PARTS REPLACED.