As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALERT LIGHT ON UNIT AND ON ALL ALTIMETERS, FLASHES ON THEN GOES OUT AT 1000 FEET BEFORE DESIRED ALTITUDE. AT 750 FEET BEFORE DESIRED ALTITUDE LIGHTS COME ON AND FUNCTIONS NORMALLY. UNIT CHECKED AT SEVERAL ALTITUDE SETTINGS IN CLIMB AND DESCENT AND FUNCTIONED THE SAME.