As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HF NR 2 INOP. GROUNDED - YES. PERFORMED BITE TEST ON NR 2 HF TRANSCEIVER, NO POWER BITE TEST ON NR 1 HF TRANSCEIVER. CYCLED POWER BY RESETTING 2 C/B. PERFORMED NR 1 AND NR 2 HF COMMS TEST. TEST GOOD. BITE TEST ON NR 1 AND NR 2 HF TRANSCEIVERS GOOD; NO FAULTS. REF AMM 23-11-00. GROUND VERIFICATION TESTS GOOD.