As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UHF/VHF/LOW/HI BAND TRANSCEIVER - UNIT INOPERATIVE. VHF DIGITAL READOUT BECAME INTERMITTENT FOR A FEW DAYS AND THEN WENT COMPLETLY OUT. TRANSMIT/RECEIVE WORKED FINE, BUT AT WHIDH FREQUENCY IS UNKNOWN. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.