As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF 1 SHOW FAIL IN BOTH THE ACTIVE & STANDBY WINDOWS, HOWEVER WE WERE ABLE TO TRANSMIT & RECEIVE. GROUNDED - YES. REF FIM 23-11 TASK 801. PERFORMED NR 1 HF BITE TEST NO FAULTS FOUND. TEST PASSED. AS PRECAUTIONARY R&R NR 1 HF TRANSCEIVER. REF AMM 23-11-21-000-801/400-801 NR 1 HF BITE TEST AND OPS CHECK PASSED.