As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA INFLIGHT - CREW REPORTED NUMBER ONE PITCH TRIM ACTUATOR FAULT. RETURNED TO MIA AND LANDED WITHOUT INCIDENT. FOUND CONNECTOR TO PITCH TORQUE LIMITER LEVEL WITH A BROKEN WIRE. WIRE ON PIN B OF 19CAA WAS FOUND CORRODED AND BROKEN AT PLUG BACKSHELL. REPAIRED WIRE AND REPLACED CONNECTOR AND RELAYS 319CCH AND 3207CC1. ALSO, REPLACED CAPTAIN AND FIRST OFFICER PITCH TRIM SWITCHES. SYSTEM GROUND CHECKED NORMAL OPERATION.