What was found
FIRST OFFICERS MICROPHONE HOT AT ALL TIMES. SWAPPED FIRST OFFICERS AUDIO CONTROL PANEL WITH 3RD OBSERVERS AUDIO CONTROL PANEL. REPLACED AUDIO CONTROL PANEL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FIRST OFFICERS MICROPHONE HOT AT ALL TIMES. SWAPPED FIRST OFFICERS AUDIO CONTROL PANEL WITH 3RD OBSERVERS AUDIO CONTROL PANEL. REPLACED AUDIO CONTROL PANEL.