What was found
THIS RECEIVER WAS INSTALLED AS PART OF THE EFIS-SV SYSTEM. AFTER APPROXIMATELY 30 HOURS OF OPERATION FOLLOWING THE INSTALLATION, AN LOI MESSAGE DISPLAYED ON THE INTEGRATED DISPLAY UNIT (IDU). THE RECEIVER WAS REPLACED, AND THE ERROR MESSAGE WAS NO LONGER DISPLAYED, AND THE SYSTEM FUNCTIONED NORMALLY. GPS/WAAS RECEIVER, SN 4048218.