As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN RAISING GEAR ON TAKEOFF, HAD BIG VIBRATION FROM MAIN GEAR. AMBER DOOR & GEAR LIGHTS STAYED ILLUMINATED LONGER THAN USUAL, VERY NOISY. UPON INSPECTION FOUND RT NOSE WHEEL ASSEMBLY INBD BEARING RETAINER RING POPPED OUT & HANGING ON AXLE HOUSING. REPLACED NOSE TIRE ASSEMBLY.