As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB NR 1 AND NR 2 HF WOULD NOT TRANSMIT. CREW RETURNED AIRCRAFT AND LANDED AT FJDG WITHOUT INCIDENT. AN INSPECTION IS ON GOING. WHEN MORE INFORMATION IS AVAILABLE IT WILL BE PROVIDED.MAINTENANCE PERFORMED PRESSURE CHECK OF CABIN SENSING LINE FOR ANTENNA COUPLER PER ALL APPLICABLE MANUALS. OPERATIONAL AND LEAK CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE.