As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER GEAR RETRACTION, RECEIVED NWS CAUTION MESSAGE FOLLOWED BY A GEAR DISAGREE WARNING MESSAGE. GEAR DISAGREE APPEARED FOR APPROXIMATLEY 20 SECONDS. AFTER HANDLE MOVEMENT, HANDLE MOVED AFTER 30 SECONDS. NOSE GEAR SHOWED RED. DID NOT USE MANUAL RELEASE. ALL HYDRAULICS INDICATED NORMAL.