As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT HF COMM SYSTEM INOP. NEED TO REPLACE RIGHT HF TRANSCEIVER AND ANT COUPLER. COMPLIED WITH MEL. GOT MSG 23-51012 & 23-51002, REPLACED R TRANSCEIVER PER MM, NO HELP. SAME FAULT MSG 23-51012 WITH ALL DASHES IN THE TUNING PANEL, INSTALLED OLD TRANSCEIVER BACK IN R HF. -INF- : ALSO POWER AT C/B IS GOOD NEED MORE TO TIME TO TROUBLESHOOT. REPLACED RIGHT HF COUPLER REF TO MM AND MAT TEST NORMAL.