As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF NR 2 INOPERATIVE. ACFT GROUNDED. PERFORMED HF NR 2 TRANSCEIVER BITE. NO FAULTS FOUND, REF FIM TASK 23-11, TASK 801. PERFORMED HF COMM SYS RX/TX REF FIM TASK 23-11, TASK 806. NO FAULTS FOUND. R & R HF NR 2 TRANSCEIVER AS PRECAUTIONARY. OPS NORMAL REF MM 23-11-21.