As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3434 - BWI-CHO - ON TAKEOFF, THE NOSE GEAR DID NOT RETRACT, THE DOORS REMAINED OPEN AND NOSE GEAR REMAINED UNSAFE FOR 20 SECONDS. THE AIRCRAFT CONTINUED ON TO CHO AND LANDED WITHOUT INCIDENT. REMOVED AND REPLACED THE LANDING GEAR SELECTOR VALVE AND THE PROXIMITY SENSOR FOR THE NOSE GEAR DRAG STRUT. (M)