What was found
NEITHER HF RADIOS WILL TUNE. FOUND FIRST OBSERVERS AUDIO CONTROL PANEL PTT BUTTON STUCK. REPLACED OBSERVERS AUDIO CONTROL PANEL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NEITHER HF RADIOS WILL TUNE. FOUND FIRST OBSERVERS AUDIO CONTROL PANEL PTT BUTTON STUCK. REPLACED OBSERVERS AUDIO CONTROL PANEL.