What was found
(CAN) ADAPTIVE FLIGHT DISPLAY AFD-3700. DEFECT REPORTED AS CHECK MAINTENANCE CAS MESSAGE AND FMS 2 FAILURE FLAG CAME ON. TROUBLESHOOTING FAULT CODES 000-0632:AC1, 000-0468:AC1, 000-0336AC1, 000-373:AC1, 000-0590:AC1, 000-2027:AC1, 000-1059:AC1, 000-1060:AC1, 000-1058, AC1 IN ADVANCED MAINTENANCE SCREEN. TROUBLESHOOTING INCLUDED SWAPPING AFD`S WITH A SPARE ONE AT A TIME, THEN EVENTUALLY REPLACEMENT OF ALL AFD`S TO ORIGINAL POSITIONS (NO CHANGED PART). DEFECT RESOLVED BY SOFTWARE FILED LOAD PROCEDURE BEING APPLIED TO ALL THREE AFD`S, CHARTS AND CHECKLISTS RELOADED AND GROUND TESTED SERVICEABLE. (TC# 20180808022)