As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNABLE TO READ RADIO ON HF1 CLEARLY, CHECK WAS GOOD HE COULD READ US LOUD AND CLEAR VERY SCRATCHY SWITCHED TO HF2 AND IT WAS CLEAR USED HF FOR DATA NR 1 ON (EEP) SOUNDED BETTER. UNABLE TO CONFORM. GROUND CHECK OPS NORMAL. AS PRECAUTION REPLACED NR 1 HF TRANSCEIVER. REMOVED AND REPLACED PER AMM 23-11-21-000-801 AND INSTALLED PER AMM 23-11-21-400-801. GROUND VERIFICATION CHECKED GOOD. NO HISTORY PAST 60 DAYS