As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5196 - DEPARTING LGA SELECTED GEAR UP AND RECEIVED GEAR DISAGREE MESSAGE AND NOSE GEAR WAS STILL DOWN. DIVERTED TO JFK. LANDED WITHOUT INCIDENT. FOUND NOSE GEAR SELECTOR VALVE CONNECTOR BACKED OFF. RESECURED CONNECTOR, SWUNG GEAR, NO FURTHER DEFECTS.