What was found
PER MEL 26-14-1A PON CLIMBOUT WE LEFT THE GEAR DOWN FOR 10-MINS. UPON GEAR RETRACTION THE MAIN GEAR CAME UP BUT NOSE GEAR DID NOT GEAR DISAGREE WARNING W/ NOSE GEAR SHOWING RED HASH MARKS. QRH COMPLIED WITH AND WOULD NOT ALLOW RE-CYCLE OF GEAR HANDLE WHEN GEAR HANDLE IS IN THE UP POSITION. INTERROGATED PSEU FOUND NLG UPLOCK "FAR" CODE. VERIFIED THE NLG UPLOCK SENSOR GASP WITHIN LIMITS IAW AMM 32-61-05. ALSO INSPECTED THE SENSOR AND TARGET FOR SECURITY WITH NO DEFECTS FOUND. PERFORMED SEVERAL LANDING GEAR EXT/RETR OPERATIONAL TEST SATISFACTORILY IAW AMM 32-30-00. SUSPECTED GEAR WAS RETRACTED WITH AIR SPEED GREATER THAN 200 KIS.