What was found
CABIN ALT CONTROL KNOB ONLY ROTATES 10S DIGITS STUCK ON 2500. REPLACED CABIN PRESS CONTROL PANEL & ACP TEST PER SAME.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN ALT CONTROL KNOB ONLY ROTATES 10S DIGITS STUCK ON 2500. REPLACED CABIN PRESS CONTROL PANEL & ACP TEST PER SAME.