As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT NR 2351 THE CREW REPORTED AFTER TAKEOFF THEY HEARD A LOUD RUMBLE FROM THE NOSE AREA. THE GEAR INDICATION SHOWED UP. MAINTENANCE INSPECTED AND FOUND THE NOSE GEAR DOORS DID NOT RETRACT. THEY REPLACED THE NOSE GEAR DOOR SEQUENCE PROXIMITY SWITCH. OPERATIONAL CHECKS WERE GOOD.