As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5559, CLE TO ORD. ON LIFT-OFF RECEIVED AN EICAS CAUTION MESSAGE FOR ANTI-SKID, PROX SYS, AND STEERING INOP, AND NOSE GEAR DOOR OPEN. THE CREW PERFORMED QRH CHECKLISTS AND RETURNED TO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE PSEU AND PERFORMED GEAR SWINGS WITH NO FURTHER DEFECTS NOTED.