As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 HF RADIO WILL NOT TEST. UNABLE TO GET TONE WHEN TUNING A NEW FREQ. UNABLE TO GET A TONE OR TIME HACK ON FREQ 5000 OR 10.000. ACFT GROUNDED. REMOVED AND REPLACED NR 2 HF ANTENNA COUPLER IAW AMM 23-11-61-401, INSTALLATION TESTED GOOD. RESET 2.