As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 HF RADIO FAILED IN FLIGHT. CHECKED HF 2 FOR DATA MODE, FAIL LIGHTS APPEAR IN BOTH WINDOWS. ACCOMPLISHED HF NR 2 OPS AND SYS TESTS REF MM23-11-00-710-801 AND 23-11-00-730-801. BOTH OPS NORMAL WITH NO FAIL ANNUNCIATIONS. TRANSMIT AND RECEIVE WAS 4 X 4 AT BOTH CAPT AND F/O POSITIONS. ACCOMPLISHED ACARS HF NR 2 LINK TEST REF MM 23-27-00. OPS NORMAL.