As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNABLE TO RAISE THE GEAR AFTER TAKEOFF. AIRCRAFT RETURNED TO MIAMI WITHOUT INCIDENT. REMOVED AND REPLACED THE NLG SAFETY SENSOR PER MM 32-09 AND THE LANDING GEAR ACCESSORY UNIT FOR PRECAUTIONARY. PERFORMED OPS CHECK OF LANDING GEAR PER PER MM 32-32. AIRCRAFT RETURNED TO SERVICE WITHOUT FURTHER INCIDENT. (M)