As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE STAND-BY FLIGHT DISPLAY FAILED DURING DESCENT. THE DEFECTIVE UNIT WAS REMOVED & A REPAIRED UNIT WAS INSTALLED & WAS FOUND TO BE DEFECTIVE, THIS UNIT WAS REMOVED. THE ORIGINAL UNIT PN 33508-10-03, SN M004659 WAS DISPATCHED FOR REPAIRS & THEN REINSTALLED. FUNCTIONAL CHECKED SATISFACTORY.