As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJU - CREW REPORTED BOTH HIGH FREQUENCY RADIOS FAILED IN FLIGHT. FLIGHT RETURNED SJU LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED NUMBER 1 HIGH FREQUENCY TRANSCEIVER AND RESET NUMBER 2 HIGH FREQUENCY TRANSCIEVER. SYSTEM GROUND CHECK NORMAL OPERATION.