As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON ROTATION, NR 1 ENGINE REVERSER UNLOCK LIGHT CAME ON AND REMAINED ON; SHUT ENGINE DOWN AND RETURNED TO MIAMI. PERFORMED ELECTRICAL SYSTEM CHECK AND FOUND LOOSE CONNECTOR AT PRESSURE REG. S/O VALVE FROM PDM. TIGHTENED AND SECURED AS REQUIRED. NEEDS SYSTEM OPERATIONAL CHECK; REMOVED AND REPLACED RT PRIMARY CABLE RIGGED AS PER M/M 78-31-16. OPERATIONAL CHECK OK.