As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE OFF, BROUGHT GEAR UP AT 220 KIAS. RECEIVED GEAR DISAGREE AURAL MESSAGE FOLLOWED BY NOSE DOOR MESSAGE. THEN GEAR WENT UP AND LOCKED. NO GEAR MESSAGES, ENTIRE EVENT LASTED ABOUT 20 SECONDS. COMPLIED WITH OVERSPEED INSPECTION. NO DEFECTS NOTED IAW AMM 05-51-04.