As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ROCKWELL COLLINS PROLINE FUSION EQUIPPED AIRCRAFT, ADAPTIVE FLIGHT DISPLAY AFD-3700. DEFECT REPORTED AS CHECK MAINTENANCE CAS MESSAGE GNSS-1 FAILURE FLAG CAME ON. TROUBLESHOOTING INCLUDED REMOVAL AND REPLACEMENT OF AFD WITH ORIGINAL UNIT (NOT EXCHANGED), FOLLOWED BY SOFTWARE FIELD LOAD PROCEDURES APPLIED TO ALL THREE ADAPTIVE FLIGHT DISPLAYS (PFD 1, PFD 2 AND MFD). CHARTS AND CHECKLISTS BEING RELOADED. THE SYSTEM GROUND TESTED SERVICEABLE. (TC# 20180808021)