What was found
MODE CONTROL PANEL, HEADING WINDOW DISPLAYS IS BLANK, DOES NOT RESPOND TO HEADING (SEL, HOLD). HEADING STICKS. REPLACED MAIN CONTROL PANEL PER MM. HEADING WINDOW DISPLAY OPS CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MODE CONTROL PANEL, HEADING WINDOW DISPLAYS IS BLANK, DOES NOT RESPOND TO HEADING (SEL, HOLD). HEADING STICKS. REPLACED MAIN CONTROL PANEL PER MM. HEADING WINDOW DISPLAY OPS CHECKED NORMAL.