What was found
CAPTS CDU FLICKERS WHEN SET TO DIM. GROUNDED - YES. MOVED DISPLAY BRIGHT/ DIM DIAL BACK AND FORTH QUICKLY AND SLOWLY BOTH WITH AMBIENT LIGHT SENSORS COVERED AND UNCOVERED. COULD NOT DUPLICATE DISCREPANCY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CAPTS CDU FLICKERS WHEN SET TO DIM. GROUNDED - YES. MOVED DISPLAY BRIGHT/ DIM DIAL BACK AND FORTH QUICKLY AND SLOWLY BOTH WITH AMBIENT LIGHT SENSORS COVERED AND UNCOVERED. COULD NOT DUPLICATE DISCREPANCY.