As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) ELECTRONIC DISPLAY UNIT (EDU) WAS INCORRECT PART. MANUFACTURERS AME PLATE WAS IN RED WHICH INDICATED THAT IT WAS AN ENGINEERING EVALUATION UNIT. THE AIRWORTHY UNITS HAVE A BLACK NAMEPLATE. AND CARRY THE PN 4066192-901. PERSONNEL/MAINTENANCE ERROR. UNAPPROVED PART.