What was found
NLG FAILED TO RETRACT AND NOSE WHEEL STEERING AMBER CAS ILLUMINATED. IFE DECLARED WITH AIR DIVERSION. LANDING PERFORMED TO REMAIN OFF OF NLG AS LONG AS POSSIBLE. ONCE WEIGHT WAS PLACED ON NLG IT OPERATED NORMALLY. CREW ELECTED TO SHUTDOWN AND HAVE THE ACFT TOWED OFF THE RUNWAY. 4/19/09 - FOUND NOSE STRUT PRESSURE LOW. REMOVED AND REPLACED NOSE STRUT SHRADER VALVE, SERVICED STRUT. LEAK CHECK C/W, NO DEFECTS NOTED. 4/20/09 - ACFT MOVED FOR ADDITIONAL INSP. REMOVED NOSE STRUT AND REPLACED RINGS AND O-RING UNDER TOP RETAINER PLATE IAW LR MM 32-20-01. REINSTALLED NOSE STRUT AND SERVICED.