What was found
DUB - FLT 723 EN ROUTE DUB TO PHL. BOTH HF RADIOS BECAME INOPERATIVE DURING THE FLIGHT. THE FLIGHT RETURNED TO FIELD AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT HF ANTENNA COUPLER. OPERATIONALLY CHECKS OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DUB - FLT 723 EN ROUTE DUB TO PHL. BOTH HF RADIOS BECAME INOPERATIVE DURING THE FLIGHT. THE FLIGHT RETURNED TO FIELD AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT HF ANTENNA COUPLER. OPERATIONALLY CHECKS OK.