What was found
CAPT AUDIO CONTROL PANEL - SERV INPH BUTTON DOES NOT STAY DOWN. REPLACED AUDIO CONTROL PANEL WITH THE FIRST OBSERVER'S PANEL, CHECKS GOOD. DF FIRST OBSERVER AUDIO CONTROL PANEL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CAPT AUDIO CONTROL PANEL - SERV INPH BUTTON DOES NOT STAY DOWN. REPLACED AUDIO CONTROL PANEL WITH THE FIRST OBSERVER'S PANEL, CHECKS GOOD. DF FIRST OBSERVER AUDIO CONTROL PANEL.