As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A ATB - AFTER TAKEOFF CREW REPORTED GEAR WOULD NOT RETRACT. GEAR DISAGREE & GEAR DOOR LIGHT ILLUMINATED (AIRFRAME VIBRATION) LEVEL OFF AT 5000. GEAR RETRACTS AT 5000 WITH LIGHTS EXTINGUISHED. GEAR DEPLOYED NORMALLY UPON LANDING. REPLACED NOSE GEAR DOOR.