As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT FROM JFK UPON GEAR RETRACTION, RECEIVED NOSE GEAR DISAGREE THAT DID NOT REMAIN. EMERGENCY DECLARED, A/C LANDED SAFELY IN CVG. FOUND LEFT MLG PRESSURE SWITCH TO BE AT FAULT. REMOVED AND REPLACED LEFT PRESSURE SWITCH. OPS CHECK GOOD.