As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON T/O FROM ATL RECEIVED GEAR DISAGREE ALONG WITH NOSE DOOR WARNING MSG. PERFORMED QRH. EMERGENCY DECLARED, A/C RETURNED TO ATL LANDED SAFELY. INSPECTED A/C AND FOUND NLG OLEO CENTER CAM PROXS SWITCH BRACKET BENT. REMOVED AND REPLACED PROX SWITCH BRACKET. OPS CHECK GOOD.