As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE - FLT 3186 - AFTER TAKEOFF, THE CREW REPORTED THE LANDING GEAR WOULD NOT RETRACT. THE AIRCRAFT RETURNED TO CLEVELAND WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RIGHT MAIN A LOCK SENSOR HARNESS. OPERATIONAL CHECKS WERE GOOD IAW EMBRAER MM 32-30-00. THE AIRCRAFT WAS RELEASED FOR SERVICE. (M)