As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON GEAR RETRACTION LOUD VIBRATION CAN BE FELT AND HEARD IN FLIGHT DECK. VIBRATION AN BE FELT THROUGH RUDDER PEDALS AND SEATS. MX FOUND THE GEAR DOOR UNLATCHED AND PRECEDED TO RE-LATCH THE DOOR IAW MM 6-45-00. NO FURTHER REPORTS WERE NOTED.