What was found
FLT NR 4047. AFTER TAKEOFF, SELECTED GEAR UP AND RECEIVED GEAR DISAGREE AND NOSE DOOR OPEN WARNING MSG. (MC-NLG WAS DOWN AT THE TIME) WITHIN 6 SECONDS OF GEAR UP SELECTION. ALSO RECEIVED STEERING INOP WOW INPUT & WOW OUTPUT CAUTION MSGS. CW QRH SLECTED 2B AND 3B HYD PUMPS ON-NO CHANGE. SELECTED ALT EXTENSION GEAR SHOWED ALL 3 GREEN. MSGS CLEARED EXCEPT STEERING INOP AND WOW INPUT. (MC SELECTED NORMAL GEAR HANDLE DOWN) LANDED WITHOUT INCIDENT AND AFTER A COMPLETE STOP CYCLED THE NOSE GEAR STEERING SELECTOR SWITCH. ALL MSGS CLEARED. TAXIED TO GATE. LANDED AT APROX 43000 LBS. MAX BTMS READINGS WERE 4,2,3,3