As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON GEAR RETEACRION DU 1 WENT BLACK FOLLOWED BY ELECTRICAL SMELL. NO SMOKE IN AIRPLANE. LANDED MMLT UNEVENTFULLY. REPLACED THE NO.1 DISPLAY UNIT WITH A REPAIRED UNIT IAW CE-680 AMM CHAPTER 34-23-00 PAGES 201-203. PERFORMED THE REQUIRED SOFTWARE LOADING AND OPERATIONAL CHECK AND ALL OPERATION IS NORMAL AT THIS TIME. NO FURTHER ACTION REQUIRED.