What was found
ON FLIGHT 3705 THE CREW REPORTED THAT DURING THE CLIMB WHILE THE GEAR WAS RETRACTING RECEIVED A GEAR DISAGREE MESSAGE WITH GEAR INDICATION IN AMBER/RED ON EICAS. AN EMERGENCY WAS DECLARED AND THE CREW ELECTED TO DIVERT TO IAD. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. RE-SECURED MOUNTING BRACKET BOLTS ON AFT DOOR DRIVE BRACKET ASSEMBLY ON NOSE LANDING GEAR IAW CRJ AMM 32-21-06. PERFORMED EXTENSION/RETRACTION CHECK IAW CRJAMM 32-30-00. NO FAULTS FOUND. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.