What was found
UPON ARRIVAL CREW INFORMED MAINTENANCE ACARS C/B POPPING AND WILL NOT RESET. FOUND ACARS AUX UNIT AND RACK CONNECTOR WITH BURNED PINS. REPLACED UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UPON ARRIVAL CREW INFORMED MAINTENANCE ACARS C/B POPPING AND WILL NOT RESET. FOUND ACARS AUX UNIT AND RACK CONNECTOR WITH BURNED PINS. REPLACED UNIT.