As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, HF 2 RADIO DISPLAYED FAIL IN BOTH ACTIVE AND STANDBY DISPLAYS. ACFT GROUNDED. PERFORMED BITE TEST. NO FAULTS FOUND AND FAIL LIGHTS EXTINGUISHED. REMOVED AND REPLACED THE NR 2 HF TRANSCEIVER IAW AMM 23-11-21-400-801. OPS CHECKED GOOD. NO HISTORY.