What was found
AFTER DEPARTURE, LANDING GEAR WOULD NOT RETRACT. FLIGHT CREW REPORTED A RED NOSE LANDING GEAR UNSAFE LIGHT ILLUMINATION. FOLLOWED COM PROCEDURES, CONTINUTED TO DESTINATION AT FL90, AND LANDED WITHOUT INCIDENT. YELLOW EMERGENCY DECLARED PRECAUTIONARY. MAINTENANCE SERVICED AND RESEALED THE NOSE LANDING GEAR. OPERATIONAL CHECK NORMAL AFTER LANDING GEAR SWING PROCEDURES.