As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE AFTER GEAR RETRACTION RECEIVED TRIPLE CHIME & NOSE GEAR DOOR WARNING MSG & GEAR DISAGREE MSG. RAN QRH & RETURNED. MSG POSTED IMMEDIATELY AFTER HANDLE MOVEMENT. HYD PUMPS WERE IN AUTO, NO OVERWEIGHT LANDING. MAINS SHOWED UP & LOCKED, NOSE GEAR SHOWED UNSAFE.