As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCO - FLT 5410 - AFTER TAKEOFF, THE LANDING GEAR WOULD NOT RETRACT. CREW FOUND LDG BREAKER OUT. LANDING GEAR PUT ON MEL AT THIS TIME. MAINTENANCE REMOVED AND REPLACED THE RIGHT MLG PROXIMITY SWITCH IAW ATR MM. OPS CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)