What was found
AFTER TAKE OFF AT IAS OF 250 KNOTS NOT MANUVERING IN TURBULANCE, FLAPS AND SLATS RETRAACTED, WHEN GEAR SELECTED UP. GOT A GEAR DISAGREE MAST ER WARNING MSG FOR APPROX 5 SEC. THEN WARING WENT AWAY AND EVERYTHING WAS NORMAL. GEAR WARNING MESSAGE OCCURED AT 250 KTS IAS PERFORMED GEAR EXTENSION/ RETRACTION SYS OPERATIONAL TEST IAW CRJ 900 AMM 32-30-00-710-801 OPERATIONAL TEST GOOD. REFER TO CONTROL # 3528070 -2 OVERSPEED INSPECTON IS NOT REQUIRED AT THIS TIME DUE TO THE FACT TH AT PREVIOSLY COMPLIED WITH. FERRY FLIGHT NO LONGER REQUIRED DUE TO WEATHER AND COMPLETION OF GEAR SWING