What was found
GEAR DISAGREE AND NOSE DOOR OPEN WARNING MESSAGE AFTER TAKEOFF WHEN RAISING GEAR. RAN QRH AND MESSAGE WAS CLEARED. (FLIGHT 5029) TROUBLESHOT GEAR DISAGREE & NOSE DOOR OPEN WARNING MESSAGE AFTER TAKEOFF WHEN RAISING GEAR. RAN QRH AND MESSAGE WAS CLEARED. IAW FIM 32-60-07.WHEN ARRIVED TO AIRCRAFT FOUND ALL 4 HYD SWITCHES IN DOWN POSITION. PERFORMED GVI OF ALL 3 MLG. NO DISCREPANCIES NOTED. PERFORMED GVI OF NLG DOOR CLOSED & OPENED. NO DISCREPANCIES NOTED. NO ACTIVE OR HISTORY FAULT CODE DATA IN MDC. PILOT REPORT USING FIM 32-60-07 PAGE 102 QUESTIONS. RAISING GEAR AFTER TAKE OFF THE NLG WAS STILL DOWN AND THE MAINS WERE UP & GOT A NOSE DOOR MESSAGE AS WELL WHEN YOU RECEIVED GEAR DISAGREE MESSAGE. AFTER GEAR LEVER UP GOT MESSAGE AROUND 8 TO 10 SECONDS 3.NR 4.NLG SWITCHED BETWEEN AMBER AND DOWN MULTIPLE TIMES. MLG STAYED IN THE UP POSITION. TWO TO THREE TIMES.