As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED AFTER TAKEOFF THE NOSE GEAR DOORS SOUNDED LIKE THEY DID NOT RETRACT. LANDING GEAR SOUNDED AS IF DOWN. NO INDICATIONS ON THE EICAS. THE AIRCRAFT RETURNED TO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED WIRE W102-4858-24 AND CONNECTOR J0774. ALSO REPLACED THE NOSE GEAR DOWN SEQUENCE PROXIMITY SWITCH. OPERATIONAL CHECKS WERE GOOD.