As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COCKPIT AUDIO CONTROL PANEL 2 INOP - COM DID NOT WORK IN THE AIR REMOVED AND REPLACED AMU REF AMM 23-51-34 BITE TEST PASSED PARTS USED: 31-2355-9-0001,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1734629 SN OFF 1172 UNIT, AUDIO MAN OFF 31-2355-9-0001 1172 ON 31-2355-9-0001 1292 ON POST FLIGHT REPORT FAULTS FOR RMP AND AMU WERE PRESENT REMOVED AND REPLACED FO RMP REF AMM 23-13-13 BITE TEST PASSED ROTABLE PARTS CHANGE WAS INDICATED - TT # 1615718 SN OFF 5743 PANEL, RADIO MA OFF 31-2314-9-0001 5743 ON 31-2314-9-0001 0346